The method behind the study is as revealing as its findings. The authors used VOSviewer, a widely adopted bibliometric mapping tool, to construct keyword co-occurrence networks, run thematic clustering, and generate time-weighted overlay maps. These techniques allow researchers to visualize how scientific terms cluster together and how those clusters evolve over time. In the early years of the study window, the dominant keywords were unmistakably computational: deep learning, classification, and algorithmic approaches filled the maps. The literature of that era reads like a computer science conference, with psychology often relegated to a supporting role as a source of data rather than a partner in design.

Then came the inflection point. According to the overlay analysis, after 2023 the thematic center of gravity shifted toward human-centered concepts: large language models, digital empathy, therapeutic alliance, and personalization surged in prominence. This is not merely a change in fashionable vocabulary. The therapeutic alliance — the collaborative bond between therapist and client — is one of the most robust predictors of psychotherapy outcomes, established in decades of meta-analytic research. Its appearance as a central theme in AI research signals that developers and scholars are no longer asking whether machines can process clinical language, but whether they can participate in the relational work that makes therapy effective.

To interpret this shift, the authors turned to Everett Rogers’ Diffusion of Innovations model, a classic framework describing how new technologies spread through communities. In Rogers’ schema, adoption proceeds through stages: innovators and early adopters experiment first, followed by the early majority, late majority, and laggards. The bibliometric evidence suggests that AI in psychology has crossed a critical threshold. The early phase, dominated by technical experimentation and proof-of-concept studies, corresponds to the innovator and early adopter stages. The post-2023 explosion of work on empathy, personalization, and therapeutic relationships marks the field’s entry into the early majority stage, where the question is no longer whether the technology works but how it should be integrated into everyday practice.

The geographical distribution of the literature tells its own story. Publication output was concentrated overwhelmingly in China and the United States, with the United Kingdom, Germany, and Australia forming a second tier. This concentration mirrors broader patterns in global AI research, where the two superpowers dominate output and impact. Notably, prior research cited in the study suggests that China and the United States produce more impactful AI research when they collaborate rather than compete — a finding with real implications for mental health technology, where shared standards and cross-cultural validation could determine whether AI tools work for patients everywhere or only for some.

Perhaps the most consequential finding concerns the direction of research intensity itself. The analysis shows a clear movement away from fully automated systems and toward hybrid models in which AI augments rather than replaces human practitioners. The authors describe this as a positioning of artificial intelligence around the axis of enhancement rather than replacement. It is a reframing with enormous stakes. Surveys of the field have repeatedly asked whether AI could replace psychotherapists, and the new evidence suggests the literature has largely answered: not replace, but extend. AI systems that draft empathic responses, flag risk, personalize interventions, or train novice counselors appear to be valued precisely because they keep humans in the loop.

The empirical work behind this shift lends it credibility. Studies cited in the bibliometric map include findings that ChatGPT outperformed humans on certain emotional awareness evaluations, that human-AI collaboration produced more empathic conversations in text-based peer-to-peer mental health support, and that large language models can help upskill novice counselors through simulated practice and feedback. Other research has compared responses from human therapists and LLM-based chatbots to assess therapeutic communication quality, and integrative reviews have begun asking whether a genuinely digital therapeutic alliance exists at all. Together, these studies form the intellectual scaffolding of the post-2023 thematic cluster that the bibliometric analysis identifies.

The timing matters. The World Health Organization’s 2022 world mental health report documented a staggering global gap between need and available care, with millions unable to access any form of treatment. Conversational agents and AI-based interventions have long been promoted as a scalable answer to that shortage, and meta-analyses of AI-based conversational agents for mental health and well-being have shown promising, if still preliminary, results. The bibliometric evidence suggests the field is now grappling seriously with the conditions under which such tools can deliver not just information but genuine relational benefit — and with the ethical questions, including bias in AI mental health applications, that scale-up inevitably raises.

For clinicians, researchers, and technology developers, the study offers a roadmap of where the field has been and where it is heading. The interdisciplinary structure it documents — spanning psychology, computer science, psychiatry, and engineering — reflects a maturing consensus that no single discipline can build trustworthy mental health AI alone. The transition from algorithmic dominance to human-centered themes suggests that the next wave of innovation will be judged not by benchmark accuracy alone but by whether systems can sustain something resembling a working alliance, adapt to individual users, and enhance the capacities of human caregivers rather than simulating them wholesale.

The decade from 2015 to 2025 began with machines learning to classify and ended with researchers asking machines to care. Whether digital empathy can ever be more than a well-engineered imitation remains an open and contested question. But the bibliometric record is unambiguous about the direction of travel: the AI revolution in psychology has moved from the laboratory to the consulting room, from replacement to enhancement, and from algorithms to empathy — and the early majority is now paying attention.

Subject of Research: Bibliometric mapping of artificial intelligence research trends in psychology and mental health from 2015 to 2025

Article Title: From algorithms to empathy: a bibliometric analysis of the AI revolution in psychology and related fields (2015–2025)

Article References: Kusci, İ., & Bakır, V. (2026). From algorithms to empathy: a bibliometric analysis of the AI revolution in psychology and related fields (2015–2025). Current Psychology, 45(18), Article 1510. https://doi.org/10.1007/s12144-026-10070-3

Image Credits: AI Generated

DOI: 10.1007/s12144-026-10070-3

Keywords: artificial intelligence, psychology, bibliometric analysis, large language models, digital empathy, therapeutic alliance, mental health, ChatGPT, diffusion of innovations, psychotherapy, hybrid models, digital mental health

The study, conducted using the rigorous PRISMA approach for systematic reviews, deliberately chose 2014 as its starting point because that year marked a dramatic surge in workplace mindfulness research. Before then, mindfulness studies were scattered and largely clinical in orientation; after 2014, organizations began embracing mindfulness-based interventions at scale, and the academic literature exploded in response. Singh and Duggal paired their systematic literature review with a bibliometric analysis, a quantitative technique that maps citation patterns, publication trends, and thematic clusters across a field. This dual methodology allowed them to see not just what individual studies found, but how the research landscape itself has evolved and where its structural gaps lie.

The technical distinction at the heart of the review is between antecedents and outcomes. Outcomes are what mindfulness produces: the downstream effects on performance, relationships, and well-being. Antecedents are the upstream conditions that cultivate mindfulness in employees in the first place, such as organizational culture, job design, leadership behavior, training programs, and individual dispositions. The review found that researchers have overwhelmingly studied the outcomes side of the equation while leaving antecedents comparatively neglected. This is a critical imbalance, because organizations hoping to build mindful workforces need to know which conditions actually foster mindfulness, not merely what a mindful employee might do once they have achieved it.

To measure mindfulness across the studies they reviewed, researchers have relied on a battery of validated psychometric instruments, and the review catalogues them in detail. The Mindful Attention Awareness Scale, known as MAAS, measures the frequency of mindful states in daily life. The Five Facet Mindfulness Questionnaire, or FFMQ, breaks mindfulness into five components: observing, describing, acting with awareness, non-judging of inner experience, and non-reactivity. Other tools include the Kentucky Inventory of Mindfulness Skills, the Cognitive Affective Mindfulness Scale-Revised, the Freiburg Mindfulness Inventory, the Philadelphia Mindfulness Scale, the Southampton Mindfulness Questionnaire, the Toronto Mindfulness Scale, the Interpersonal Mindfulness Scale, and the Langer Mindfulness Scale. The sheer diversity of these instruments reflects both the richness of the construct and a methodological challenge: different scales operationalize mindfulness in different ways, which can complicate comparisons across studies.

On the intervention side, the review documents the full arsenal of mindfulness-based programs that organizations have deployed. The most prominent is the Mindfulness-Based Stress Reduction program, originally developed in clinical settings, alongside Mindfulness-Based Cognitive Therapy. Newer offerings include the Stress Management and Relaxation Training program, Compassion Cultivation Training, Acceptance and Commitment Therapy, the Community Approach to Learning Mindfully program, and Compassion Focused Therapy. Each of these interventions carries distinct theoretical assumptions about how mindfulness develops and what mechanisms translate present-moment awareness into workplace benefits. The review’s synthesis suggests that these programs do produce measurable positive impacts on employee performance, workplace relationships, and well-being, but that the mechanisms connecting meditation cushion to quarterly results remain only partially mapped.

That mechanistic gap is where the review’s theoretical contribution becomes most interesting. Singh and Duggal situate their findings within a constellation of established psychological theories, each offering a different lens on how mindfulness works. The Job Demands-Resources theory frames mindfulness as a personal resource that buffers the strain of high job demands. Conservation of Resources theory views mindful capacity as a psychological asset that employees can draw upon and replenish. Self-Determination theory connects mindfulness to autonomous motivation, while Monitor and Acceptance theory specifies the dual processes of attention monitoring and acceptance that define mindful awareness. The Mindfulness-to-Meaning theory proposes that mindfulness broadens cognition, allowing employees to reappraise stressful events in more adaptive ways, and Affective Events theory and Social Exchange theory round out the framework by explaining how momentary mindful responses accumulate into durable workplace attitudes and relationships.

Perhaps the most culturally significant finding in the review is its critique of Western-centric bias in the field. Mindfulness, as a concept, derives substantially from Eastern contemplative traditions, particularly Buddhist psychology, yet the review found that Eastern perspectives are systematically under-represented in workplace mindfulness research conducted in Western contexts. Studies tend to treat mindfulness as a secular cognitive skill stripped of its contemplative roots, measuring attention and awareness while ignoring the ethical and compassion-oriented dimensions that are central to the traditions from which the practice emerged. Singh and Duggal argue that reintegrating these Eastern elements is not merely a matter of philosophical fidelity; it could unlock dimensions of mindfulness, such as interpersonal compassion and ethical awareness, that purely Western operationalizations miss entirely.

The review also connects workplace mindfulness to an agenda far larger than individual stress relief. By emphasizing mindfulness’s positive effects on employee health, performance, work-life balance, and organizational sustainability, the authors explicitly align their work with the United Nations Sustainable Development Goal 3, which targets good health and well-being. In this framing, mindfulness is not a perk or a wellness gimmick but a strategic organizational resource, one that can foster ethical conduct, sustainable practices, and positive work environments. The authors propose a conceptual model linking antecedents to workplace outcomes, providing a scaffold that future researchers can test, refine, and extend, particularly regarding the long-term effects of mindfulness in organizational settings, an area where longitudinal evidence remains thin.

The practical implications for organizations are considerable. If mindfulness genuinely improves performance, strengthens workplace relationships, and enhances well-being, then understanding its antecedents becomes a matter of organizational design rather than individual self-help. Leaders who model attentive, non-judgmental awareness, job structures that permit moments of reflection rather than perpetual reactivity, and well-designed training programs may all function as antecedents that cultivate mindfulness at scale. Conversely, the review’s identification of the antecedent research gap serves as a warning against premature prescriptions: without rigorous evidence about which conditions actually produce sustained mindfulness, organizations risk investing in interventions that generate enthusiasm but not lasting change.

Published open access on 8 October 2026 and retrospectively registered on the Open Science Framework, the review arrives at a moment when workplace mindfulness is simultaneously booming and facing scrutiny. Singh and Duggal’s synthesis does not dismiss the practice; quite the opposite, it affirms that the evidence for benefits to employee health, performance, and relationships is robust enough to warrant serious organizational attention. But it also issues a challenge to the research community: stop treating mindfulness as a black box that magically produces good outcomes, and start investigating the upstream conditions, cultural contexts, and psychological mechanisms that make it work. The research agenda they propose, spanning mechanisms and cultural dimensions, may determine whether workplace mindfulness matures into a rigorous science of human flourishing or remains a well-marked trend. For the millions of employees whose working lives are shaped by these practices, the stakes of that question could hardly be higher.

Subject of Research: Antecedents and outcomes of workplace mindfulness examined through a systematic literature review

Article Title: Exploring the antecedents and outcomes of mindfulness at the workplace: a systematic literature review

Article References: Singh, R. K., & Duggal, A. (2026). Exploring the antecedents and outcomes of mindfulness at the workplace: a systematic literature review. BMC Psychology. https://doi.org/10.1186/s40359-026-05558-3

Image Credits: AI Generated

DOI: 10.1186/s40359-026-05558-3

Keywords: workplace mindfulness, systematic review, employee well-being, organizational psychology, mindfulness-based interventions, antecedents, job performance, Eastern perspective, bibliometric analysis, PRISMA, sustainable development, work-life balance

The methodological backbone of the study is the PRISMA protocol, the standardized reporting framework that governs systematic reviews in health and social science research. PRISMA requires researchers to define explicit search strategies, apply transparent inclusion and exclusion criteria, and document every step by which a large pool of candidate records is narrowed to a final analytic sample. Following this discipline, Tiwari and Kumari identified 303 publications spanning the period from 2013 to 2024. The choice of starting year is not arbitrary: 2013 follows closely on the heels of the Millennium Development Goals era and captures the period in which the international community was negotiating the successor framework that would become the SDGs, adopted in 2015. The corpus therefore reflects the intellectual build-up to, and the decade of implementation of, the current global development agenda.

To analyze the 303 papers, the authors turned to bibliometric science, a field that applies quantitative methods to the structure of scholarly communication. Their principal instrument was VOSviewer, a widely used software package for constructing and visualizing bibliometric networks. VOSviewer builds maps in which individual publications, keywords, or countries appear as nodes, and the strength of the relationships between them, whether through co-citation, keyword co-occurrence, or collaboration, determines their proximity. Clusters of densely connected nodes reveal thematic communities that might otherwise remain invisible when the literature is scattered across economics, public health, education, management, agriculture, and engineering journals. The authors complemented these network visualizations with analyses in Excel, tracking publication counts over time and the geographic distribution of contributions.

The temporal picture that emerges is one of steady acceleration. Research output on women’s equity, inclusion, and the SDGs increased markedly after 2013, a trend the authors link to the growing policy salience of the gender goal as the 2030 deadline approaches. This is consistent with a broader pattern in sustainability science: as target dates near, funding bodies, governments, and journals channel attention toward the goals that remain furthest from achievement, and SDG 5 is widely regarded as one of the most off-track. The review suggests that the scholarly community has responded, though not uniformly across regions or disciplines.

Geographically, the analysis identified the United States, the United Kingdom, and India as the leading contributors to the literature. That trio is revealing. The two Anglophone powers reflect the concentration of research infrastructure, funding, and publication venues in the global North, while India’s prominence underscores both the scale of the gender challenges it faces and the strength of its social science research community. The authors’ finding that contributions are unevenly distributed echoes a persistent critique of development research: the countries where gender-based disparities are often most acute are frequently not the ones generating the bulk of the peer-reviewed evidence. Redressing that imbalance, the review implies, is itself a matter of research equity.

Thematically, the network analysis surfaced several distinct but interlocking clusters. Gender equality forms the conceptual core, surrounded by clusters on leadership, health, education, and socio-economic empowerment. The leadership cluster draws on a substantial corporate governance literature examining how women’s representation on boards and in senior management relates to firm performance and to environmental, social, and governance outcomes. Studies of Italian listed companies, for example, have probed the link between board diversity and sustainability disclosure, while work on small and medium-sized enterprises has asked whether women in management positions strengthen relational and environmental management practices. The consistent message of this strand is that diversity is not merely a compliance metric but a variable with measurable organizational consequences.

The health and education clusters tell a complementary story about human capital. Research on academic medicine has documented how institutions attempt to address gender disparities in recruitment, promotion, and retention, and how crises such as the COVID-19 pandemic threatened to reverse hard-won gains by disproportionately burdening women faculty. In education, studies range from interventions that break habitual gender bias in hiring of science faculty, to analyses of how schooling creates social change for lower-caste girls in rural India, to programs like Girls4STEM that aim to widen the pipeline into science, technology, engineering, and mathematics careers. A related body of work examines counterspaces, the supportive environments that help women of color persist in STEM higher education despite marginalization. Together these studies frame gender equity in education not as a standalone concern but as a prerequisite for the skilled, diverse workforce that sustainable development requires.

The socio-economic empowerment cluster extends the analysis into agriculture, finance, and entrepreneurship, domains where the SDGs’ ambitions meet everyday livelihoods. Field studies from Kenya have asked whether there are systematic gender differences in the adoption of sustainable agricultural intensification practices, while research from Malawi and Tanzania has documented the discriminatory effects of gender disparities in access to improved seeds and fertilizer at the plot level. A feminist political ecology perspective applied to wheat farming in Morocco and Uzbekistan shows how innovation systems themselves can embed gendered power relations. On the financial side, recent work examines whether digital financial services can deliver the autonomy and equality promised under SDG 5, a question of growing urgency as mobile money spreads across the developing world. Entrepreneurship research, including prior bibliometric analyses of women’s entrepreneurship in the SDG framework, positions women-led enterprises as engines of both income generation and community-level change.

What unifies these clusters, the review argues, is their interconnectedness in the architecture of the SDGs. Gender equality is not merely one goal among seventeen; it functions as a cross-cutting enabler whose achievement conditions progress on poverty reduction, health, education, decent work, and reduced inequalities. Earlier scholarship, including Nobel laureate Esther Duflo’s influential analysis of the two-way relationship between women’s empowerment and economic development, and Naila Kabeer’s critical work on the Millennium Development Goals, laid the conceptual groundwork for this view. The bibliometric evidence now shows that the research community has internalized it, with keyword networks binding empowerment, participation, and sustainability into a single conversation. The practical corollary, the authors emphasize, is that policies and programs must integrate gender perspectives deliberately, because doing so reduces disparities, enhances participation, and improves outcomes across education, health, and economic growth simultaneously.

The review also serves as a map of what remains unknown. By exposing the fragmentation of the literature across disciplines and regions, it identifies gaps that future studies should fill: stronger representation of research from the global South, deeper integration of the thematic clusters that bibliometrics reveals only as separate islands, and more work connecting micro-level interventions to macro-level SDG indicators. For policymakers, the message is that the evidence base for gender-inclusive sustainable development has matured enough to inform design, but remains uneven enough to demand investment. For researchers, the co-occurrence maps offer a starting point for collaboration across the very disciplinary boundaries that have kept the field disjointed. As the 2030 deadline looms, the study suggests that closing the gap between what is known about women’s contributions to sustainable development and what is done with that knowledge may be one of the most consequential tasks in the final stretch of the global goals.

Subject of Research: A bibliometric review of research on women's contributions to equity, inclusion, and the Sustainable Development Goals

Article Title: The role of women’s contributions to equity, inclusion, and Sustainable Development Goals: a bibliometric review

Article References: Tiwari, M., & Kumari, A. (2026). The role of women’s contributions to equity, inclusion, and Sustainable Development Goals: a bibliometric review. SN Social Sciences, 6(10), Article 441. https://doi.org/10.1007/s43545-026-01737-6

Image Credits: AI Generated

DOI: 10.1007/s43545-026-01737-6

Keywords: gender equality, SDG 5, sustainable development goals, bibliometric analysis, women's empowerment, equity and inclusion, VOSviewer, PRISMA, STEM education, women in leadership, socio-economic empowerment, global health and education

The study, conducted by Marzouqa Lamsaf and Mariem Liouaeddine of the Laboratory of Economic and Public Policy Sciences at Ibn Tofail University in Kénitra, Morocco, takes an unusual approach to a sprawling subject. Rather than analyzing energy systems directly, the researchers analyzed the scientific literature itself. They examined 107 documents indexed in the Scopus database, all published between 2010 and 2025, that address Africa’s renewable energy transition. Using two widely adopted bibliometric software packages, VOSviewer and Bibliometrix, they mapped publication trends, identified the most influential works, charted the scientific actors and collaboration networks, and reconstructed the keyword structures that reveal how researchers have framed the problem over fifteen years.

Bibliometric analysis of this kind works by treating publications, citations, and keywords as data points that can be clustered and visualized. When researchers repeatedly cite the same papers or use the same terms, those items group together in network maps, revealing the intellectual architecture of a field. In this case, the analysis surfaced four dominant research clusters. The first, labeled Technological Decarbonization and Energy Systems, covers the engineering and systems-level questions of deploying solar, wind, hydropower, and other renewable technologies across African grids. The second, Green Finance and Economic Development, addresses the capital flows, investment frameworks, and growth strategies needed to fund the transition. The third, Energy Access, Poverty and Security, focuses on the social dimension: who gets electricity, at what cost, and with what reliability. The fourth cluster, Emissions, Efficiency and Socioeconomic Co-benefits, examines how decarbonization policies interact with health, employment, and broader welfare outcomes.

What makes the review’s findings striking is not the existence of these four clusters but the way they interlock. The authors emphasize that the clusters do not represent isolated scholarly silos. Over the study period, the literature has increasingly converged on a trilemma framing, in which economic development, energy access, and decarbonization are treated as jointly necessary and mutually constraining objectives. A solar mini-grid that lifts a rural community out of energy poverty but remains financially unsustainable fails on one axis. A utility-scale wind farm that attracts foreign investment but displaces local communities fails on another. A coal plant that delivers cheap power and industrial growth fails on the climate axis. The research community, the review suggests, has progressively recognized that no single-axis solution will work for a continent with Africa’s specific emissions profile, development needs, and vulnerability to climate impacts.

The asymmetry at the heart of this debate is worth spelling out. Africa’s cumulative and annual contributions to global greenhouse gas emissions are small by any measure, which means the continent’s decarbonization efforts have limited direct effect on global climate trajectories. Yet the stakes of the transition for Africans themselves are enormous. Energy access deficits remain deep, and the continent’s population is growing rapidly, which means electricity demand is set to expand substantially in the coming decades. The path that demand growth takes—whether it is met with renewable capacity, fossil fuels, or some mixture—will shape both African development prospects and the global emissions picture for generations. This is why the review insists that Africa’s transition cannot be read purely as a decarbonization agenda; questions of affordability, reliability, and industrial development are inseparable from it.

The temporal scope of the analysis, 2010 to 2025, captures a period of dramatic change in both the global energy landscape and African energy policy. Over these fifteen years, the cost of solar photovoltaic technology fell dramatically worldwide, off-grid and mini-grid solutions matured, and international climate finance mechanisms expanded. The publication trends identified in the review reflect this evolution, with scholarly attention intensifying as the practical possibilities of renewable deployment in Africa grew. The mapping of influential works and collaboration patterns also reveals which institutions, regions, and research communities have driven the conversation, and where the networks of co-authorship and citation remain thin—a signal of where research capacity and international collaboration may need strengthening.

Beyond mapping the existing literature, the review devotes significant attention to what the literature has missed. The authors identify several persistent gaps. First, the measurement of energy access and renewable energy themselves remains inconsistent across studies, making it difficult to compare findings or aggregate evidence. Different papers use different indicators, thresholds, and data sources for what counts as adequate access or meaningful renewable penetration. Second, financing and governance constraints—the political economy reasons why capital does not flow to promising projects, or why regulatory frameworks fail—are treated unevenly in the literature, often as background context rather than objects of rigorous analysis. Third, the methodological toolkit of the field leans heavily on approaches that identify correlations rather than causal effects, leaving open questions about what actually drives successful transitions.

The fourth gap is perhaps the most consequential for policy. The review finds that energy justice, gender, and digital inclusion remain poorly integrated into transition research. Energy justice as a framework asks who benefits and who bears the burdens of energy systems, and it has gained traction in European and North American scholarship but has been slower to penetrate African energy studies. Gender dimensions matter because women are disproportionately affected by lack of access to clean cooking and because energy entrepreneurship and employment are not gender-neutral. Digital inclusion connects the energy transition to the broader digital economy, since modern energy services increasingly underpin connectivity, education, and financial technology. A transition literature that ignores these dimensions risks producing policies that expand electricity supply while reproducing or deepening existing inequalities.

For researchers, the review functions as both a map and a research agenda. By consolidating fifteen years of scholarship into identifiable clusters and gaps, it gives newcomers an entry point into a fragmented field and signals to funders and journals where new work is most needed. The call for stronger causal methods is particularly pointed: as African governments and international institutions commit to renewable targets, the evidence base for which interventions actually deliver affordable, reliable, low-carbon energy at scale remains thinner than the urgency of the problem demands. Better measurement, more attention to governance and finance, and explicit incorporation of justice and inclusion concerns would, the authors suggest, make the next fifteen years of scholarship far more useful to decision-makers.

The broader significance of the study lies in its reframing. For much of the past decade, international climate discourse has treated Africa primarily as a victim of climate change or as a future emissions problem to be managed. The trilemma framing that this review documents in the literature offers a more accurate and more demanding picture: Africa’s energy transition is simultaneously a development project, an access project, and a decarbonization project, and the scholarly community has increasingly organized itself around that reality. Whether the continent can navigate all three objectives at once will depend not only on technology and capital but on the quality of the evidence guiding policy—a quality that this review suggests still has considerable room to improve. As the literature continues to grow, the challenge will be ensuring that research keeps pace with the real-world decisions being made today about grids, investments, and the lives of the more than half a billion Africans still waiting for modern energy.

Subject of Research: Bibliometric review of research on Africa's renewable energy transition, energy access, and decarbonization

Article Title: Reconciling economic development, energy access, and decarbonization in Africa’s renewable energy transition: a bibliometric review

Article References: Lamsaf, M., & Liouaeddine, M. (2026). Reconciling economic development, energy access, and decarbonization in Africa’s renewable energy transition: a bibliometric review. Discover Sustainability. https://doi.org/10.1007/s43621-026-04805-2

Image Credits: AI Generated

DOI: 10.1007/s43621-026-04805-2

Keywords: renewable energy transition, Africa, energy access, decarbonization, economic development, bibliometric analysis, green finance, energy security, energy justice, energy poverty, Scopus, VOSviewer

The stakes of this gap are far from academic. Energy transition is simultaneously a central component of the climate system and a key driver of economic development, which means that decisions about how societies decarbonize are inseparable from questions about who is exposed to climate hazards, how sensitive those populations are, and how capable they are of adapting. Yet the review found that when researchers try to measure environmental performance in the context of the energy transition, they overwhelmingly rely on a single indicator: carbon emission reduction. This narrow metric, while important, says little about the multidimensional nature of climate vulnerability, which climate scientists typically decompose into three components: exposure to climate hazards, sensitivity of human and economic systems to those hazards, and adaptive capacity, the resources and institutions available to cope with them.

The methodological rigor of the new study is what gives this critique its force. By applying the PRISMA framework, the authors screened and selected studies according to transparent, reproducible criteria, and their bibliometric analysis of the resulting 76 papers allowed them to identify the intellectual structure of the field rather than simply summarizing individual findings. The corpus spans work published between 2019 and 2026 and covers an unusually wide geographic and disciplinary range, from econometric assessments of the energy mix in G7 countries to grassroots climate resilience studies in the Ranbir Singh Pura region of Jammu and Kashmir, from central bank risk management in the United States and Europe to energy planning under climate pressure in Ecuador using LEAP modeling tools.

From this body of evidence, the review identifies four major thematic areas that dominate the existing literature. The largest proportion of studies focuses on policy, economic, and institutional dimensions of the energy transition and climate vulnerability relationship. This cluster includes research on how central banks manage climate and energy transition risks, how green finance influences energy transition decisions, and how climate policy uncertainty shapes corporate behavior and investment flows. A second cluster centers on climate risk and vulnerability itself, including studies of extreme weather impacts, nonlinear effects of climate risks on climate-sensitive sectors, and Delphi-based expert assessments of climate change risks in southern Africa. The third theme covers energy transition and environmental outcomes, while the fourth captures emerging research areas that do not yet fit neatly into the established categories.

One of the most provocative findings to emerge from the reviewed literature is the recognition that the renewable energy transition itself carries climate risks, a point emphasized in several Norwegian and Danish studies included in the corpus. Researchers at the Western Norway Research Institute and partner institutions have argued that overlooked climate risks are embedded in ongoing renewable energy transitions, and that the research agenda must be extended to capture them. Renewable infrastructure is not immune to the changing climate it is meant to mitigate: hydropower depends on precipitation patterns that are shifting, wind and solar installations face extreme weather exposure, and the critical mineral supply chains that underpin batteries and turbines are themselves vulnerable to climate disruption. A World Meteorological Organization initiative to build a Global Energy Resilience Atlas with climate risk indices for hydropower illustrates how seriously this concern is now being taken at the institutional level.

The financial dimension of the energy transition and climate vulnerability nexus has become a particularly active research frontier, especially since 2022. Several studies in the review examine how physical climate risks and transition risks drive volatility and dynamic correlations between fossil energy markets and clean energy stocks, and how climate risk factors affect the hedging properties of green and brown portfolios. Others investigate whether climate risk affects the carbon footprint of bank loans, how investors react to climate policies and decarbonization pathways, and how financial development moderates the relationship between climate vulnerability and renewable energy consumption. This surge of financially oriented research reflects a broader shift in which climate risk is increasingly priced into capital markets, but the review suggests that this focus has come at the expense of attention to the human dimensions of vulnerability.

Indeed, some of the most socially consequential work in the corpus concerns energy poverty, the condition in which households cannot access adequate, affordable, and reliable energy services. Studies of energy poverty in high-mountain rural areas of China document a high-carbon trap in which the poorest households remain locked into polluting fuels precisely because they lack the resources to transition. Comparative research on Hungary and Jordan reveals divergent national pathways through which climate change deepens energy poverty, while analyses of renewable and non-renewable energy aid in developing Asian countries examine whether international assistance actually reduces energy deprivation. A related strand of work explores how energy poverty and climate risk jointly threaten human development at global and regional scales, underscoring that the energy transition is not merely an environmental project but a distributional one with profound implications for equity.

The geographic patterns in the literature reveal their own form of bias. A substantial share of the 76 studies concentrates on China, with additional clusters in Europe, the United States, and parts of South Asia and Africa, while many climate-vulnerable regions remain understudied. The review also highlights that most analyses are conducted at the national level, leaving sub-national dynamics, where vulnerability often varies dramatically within countries, largely invisible. This is a significant limitation because exposure, sensitivity, and adaptive capacity are inherently local phenomena: a coastal fishing community, an inland farming district, and an urban industrial center within the same country can face radically different climate risks and possess very different capacities to respond. Without sub-national analysis, policymakers cannot target adaptation and transition resources where they are most needed.

The timing of the field’s evolution is itself revealing. The authors note that especially after 2022, some studies began to adopt multidimensional measures of climate vulnerability or climate risk, including composite indices that incorporate exposure, sensitivity, and adaptive capacity rather than relying on emissions alone. This shift coincides with the intensification of extreme weather events worldwide and with growing recognition that mitigation and adaptation cannot be treated as separate policy silos. Research on extreme events and climate adaptation-mitigation linkages in the era of global urbanization, and assessments of climate and transition risks to agriculture under 1.5 and 2.0 degree Celsius warming scenarios, exemplify this more integrated approach. Yet the review finds that such integration remains the exception rather than the rule, and that the literature as a whole still lacks a unified analytical framework capable of capturing the two-way interactions between energy systems and climate vulnerability.

What would such a framework look like, and why does it matter? The review’s central message is that energy transition and climate vulnerability are not independent variables that can be studied in isolation; they form a coupled system in which decarbonization choices alter vulnerability profiles, and vulnerability conditions shape which transition pathways are feasible and just. A country rich in renewable resources but poor in adaptive capacity faces different trade-offs than one with strong institutions but heavy fossil fuel dependence, and treating carbon emissions as the sole measure of progress obscures these differences entirely. By cataloguing the inconsistencies in existing approaches, identifying the four dominant research themes, and pinpointing the gaps in sub-national analysis and multidimensional vulnerability measurement, Agrawal, Kumar, and Sharma have provided the research community with a map of where the science stands and where it must go. As governments accelerate decarbonization commitments under mounting climate pressure, the review makes a compelling case that the success of the energy transition will ultimately be judged not only by how much carbon it removes from the atmosphere, but by how effectively it reduces the vulnerability of the people most exposed to a changing climate.

Subject of Research: The relationship between energy transition and climate vulnerability examined through a systematic review of 76 studies

Article Title: Global evidence on energy transition and climate vulnerability through systematic review

Article References: Agrawal, A., Kumar, P., & Sharma, R. (2026). Global evidence on energy transition and climate vulnerability through systematic review. Discover Sustainability. https://doi.org/10.1007/s43621-026-04765-7

Image Credits: AI Generated

DOI: 10.1007/s43621-026-04765-7

Keywords: energy transition, climate vulnerability, systematic review, PRISMA, bibliometric analysis, renewable energy, climate risk, adaptive capacity, carbon emissions, energy poverty, green finance, sustainable development

The research team, led by Hartono Bancong of Universitas Muhammadiyah Makassar in Indonesia, together with Dian Pramana Putra, Abd Rakhim Nanda, and Muhammad Abd Hadi Bunyamin of Universiti Teknologi Malaysia, applied bibliometric methods to trace the quantitative contours of STEAM scholarship. Bibliometrics, at its core, treats the published literature itself as data. By extracting records from Scopus as of 31 May 2025 and subjecting them to co-citation analysis, keyword co-occurrence mapping, and thematic clustering, the researchers could identify patterns invisible to any single literature review. The tools of choice were VOSviewer, a widely used software package for constructing and visualizing bibliometric networks, and Biblioshiny, the graphical interface of the bibliometrix R package developed for comprehensive science mapping analysis.

One of the clearest signals in the data is temporal. Publications on STEAM education remained relatively sparse in the early years of the study window, but growth accelerated sharply from 2016 onwards. That inflection point aligns with a period in which national curricula and funding bodies across multiple continents began formally embracing integrated approaches to teaching the sciences alongside creative disciplines. The surge, the authors argue, reflects a global commitment to curricular innovation and to the technological tools that make integration practical: robotics kits, augmented reality applications, and digital fabrication technologies that allow students to move fluidly between abstract concepts and tangible artifacts.

The geography of the field is equally revealing. International collaboration networks show robust ties among China, South Korea, and the United States, forming a triad of co-authorship that anchors much of the global conversation. South Korea’s prominence is no accident; the country was among the earliest to mandate STEAM-style integrated instruction in its national curriculum, and a substantial body of Korean research has examined how teachers perceive and implement these reforms. China and the United States contribute complementary strengths, with Chinese institutions driving large-scale technology integration studies and American researchers contributing extensively to the theoretical and pedagogical literature. Beyond this core, the collaboration map extends across Europe, Southeast Asia, and the Middle East, underscoring that STEAM is not the project of any single education system but a genuinely transnational undertaking.

Individual scholars also emerge from the network analysis. Among the most prominent contributors identified are Lavicza Zsolt, whose work has connected mathematics, architecture, and cultural heritage through augmented reality, 3D printing, and dynamic geometry tools such as GeoGebra, often in the informal learning environments of museums; and researchers including Jeon M. and Kim J., whose publications rank among the most influential in the field. Their visibility in co-authorship and citation networks illustrates how STEAM research rewards scholars willing to work across disciplinary boundaries, since the field itself demands exactly that kind of boundary-crossing from its practitioners.

Where does this research get published? The analysis identifies Education Sciences, the open-access journal from MDPI, as a key venue, alongside Lecture Notes in Computer Science and the ACM International Conference Proceedings Series. The prominence of computer science venues is telling. A significant share of STEAM scholarship appears not in traditional education journals but in conference proceedings and lecture note series devoted to educational technology, human-computer interaction, and computing education. This dual identity, spanning pedagogy and technology, is one of the field’s defining characteristics and one of the reasons bibliometric mapping is particularly valuable for understanding it.

The keyword and thematic analyses reveal the conceptual heart of the field. Creativity stands out as a dominant theme, reflecting the central claim of the arts integration movement: that adding the arts to STEM does not dilute technical learning but enriches it, fostering the divergent thinking that innovation requires. Interdisciplinary learning appears as a second pillar, alongside a cluster of technology-centered keywords including robotics and augmented reality. A third cluster centers on teacher professional development, an acknowledgment that even the most elegant curriculum fails without educators equipped to deliver it. Studies of collaborative teacher training programs, self-efficacy scales for primary teachers, and design-based professional learning all feed this strand of the literature.

Perhaps the most striking finding is the temporal evolution of research topics. The authors document a strategic shift over the decade from foundational work, in which researchers defined STEAM, argued for its legitimacy, and designed early curricula, toward sophisticated, technology-driven educational models. Early publications concentrated on establishing what arts-integrated STEM education could look like in practice. Later work embraces immersive virtual reality for learning electronic circuits, augmented reality platforms for active learning, artificial intelligence and the Internet of Things as pervasive supports for future classrooms, and computational thinking cultivated through design-based interdisciplinary activities. The field has also begun to expand its own acronym, with proposals such as STREAM, which adds reading and writing or research to the mix, signaling continued conceptual experimentation.

The study is candid about the field’s weaknesses. Despite the explosion of publications, the authors highlight the necessity for greater empirical assessment of STEAM pedagogies. Much of the literature remains descriptive or programmatic, documenting what a given intervention looks like rather than rigorously testing whether it improves learning outcomes. Systematic reviews comparing STEM and STEAM approaches have found promising effects on student creativity, but the evidence base remains thinner than the enthusiasm surrounding the movement would suggest. The authors also call for greater inclusivity of diverse research perspectives, noting that the field’s intellectual center of gravity remains concentrated in a handful of countries, and for serious consideration of the ethical issues raised by technology-enhanced learning environments, from data privacy in AI-supported classrooms to equitable access to expensive digital tools.

For educators, policymakers, and researchers watching the STEAM movement, the study offers both a map and a warning. The map shows a field that has matured rapidly, built durable international networks, and evolved from curriculum experiments into a technologically sophisticated research enterprise. The warning is that maturity brings scrutiny: as STEAM continues to expand, the next decade of research will need to move beyond advocacy and demonstration toward rigorous, inclusive, and ethically grounded evaluation. The trajectory documented in this bibliometric analysis suggests the field has the momentum to make that turn; whether it has the discipline remains the open question that will shape classrooms for years to come.

Subject of Research: Bibliometric analysis of global STEAM education research trends from 2011 to 2025

Article Title: A decade of STEAM education: trends, themes, and global collaborations through a bibliometric lens

Article References: Bancong, H., Putra, D. P., Nanda, A. R., & Bunyamin, M. A. H. (2026). A decade of STEAM education: trends, themes, and global collaborations through a bibliometric lens. SN Social Sciences, 6(10), Article 445. https://doi.org/10.1007/s43545-026-01738-5

Image Credits: AI Generated

DOI: 10.1007/s43545-026-01738-5

Keywords: STEAM education, bibliometric analysis, interdisciplinary learning, creativity, augmented reality, robotics, teacher professional development, VOSviewer, Scopus, international collaboration, educational technology, research trends

The methodological design is itself a technical achievement. Following the PRISMA 2020 framework for systematic reviews, the researchers searched the Scopus and ScienceDirect databases for publications between 2020 and 2025. The initial retrieval produced 6,551 records, which were then filtered through a cascade of exclusion criteria: non-peer-reviewed sources such as conference papers, book chapters, and reports were removed, records outside the social sciences, psychology, and computer science education were discarded, and the pool was limited to English-language articles. What remained was a bibliometric dataset of 1,345 unique articles, which the team visualized using VOSviewer software to reveal keyword networks, author collaboration structures, journal distributions, and country-level publication patterns. From that broad dataset, the researchers applied an open-access filter and narrowed the focus to the specific intersection of project-based learning and twenty-first-century skills, yielding 282 records for title and abstract screening and ultimately twenty empirical studies for the qualitative synthesis.

The rigor of the selection process was quantified, not merely asserted. Two researchers coded the articles independently, achieving an initial agreement rate of 88 percent before resolving every discrepancy through discussion until full consensus was reached. The Cohen’s kappa coefficient, a standard statistical measure of inter-rater reliability, came in at 0.78, which is conventionally interpreted as substantial agreement. The authors acknowledge the limitations of their database choices, noting that excluding repositories such as ERIC or Web of Science may introduce a degree of database bias, but they argue that the high density of high-impact journals in Scopus and ScienceDirect offers a representative synthesis of the current landscape. Their deliberate prioritization of open-access literature was a strategic choice intended to ensure that the findings remain immediately usable by K-12 educators who may lack institutional subscriptions to paywalled databases.

The bibliometric mapping tells a striking story about where the field is heading. Within the keyword network, the term project-based learning itself sits at the center as a dominant node, surrounded by dense clusters such as teamwork, sustainability, mathematics, and computational thinking. High-frequency terms like team, appearing 177 times, and PjBL, appearing 176 times, signal that the primary objective of modern project work has shifted beyond individual content mastery toward collaborative competence. The prominence of sustainability, with 73 occurrences, and attitude, with 64, suggests a movement toward holistic education in which projects are explicitly designed to foster global citizenship and affective outcomes, not just academic achievement. Meanwhile, the frequency of methodological terms such as test, score, and control groups indicates that researchers are increasingly trying to measure abstract skills through standardized, evidence-based evaluation rather than settling for descriptive case studies.

The COVID-19 pandemic looms large over the entire dataset. The term COVID-19 appeared 97 times in the keyword network, and the authors deliberately chose the 2020 to 2025 window to capture the structural and digital transformation that the pandemic forced upon schools. As traditional physical classroom models collapsed, project-based learning adapted through simulation-based and digital tools, inaugurating what the researchers describe as a new era for the approach. The field itself is growing at an annual rate of approximately 14 percent, according to the bibliometric mapping, reflecting a broader global trend toward the digitalization of pedagogy. The collaboration networks reveal that this growth is not the product of isolated researchers working in silos; it is driven by highly interconnected clusters of expertise, with figures such as Du Xiangyun, Joseph Krajcik, and Barbara Schneider anchoring an international collaborative elite whose total link strength values run into the thousands.

The geographic distribution of the research is equally revealing. The United States leads with 144 publications and a total link strength of 11,482, but the landscape is becoming polycentric, with substantial contributions from Europe and Southeast Asia. Spain’s high citation impact and Indonesia’s substantial publication volume indicate that project-based learning is being adopted as a core pedagogical strategy across very different educational systems, each adapting it to regional needs. Interestingly, countries such as Finland and Hong Kong, despite lower total publication counts, show high connectivity, suggesting that they function as collaborative bridges that export high-quality pedagogical models to the rest of the world. Journal-level analysis reinforces this breadth: Education Sciences serves as the primary hub, but the prominence of Sustainability and technical outlets such as IEEE Transactions on Education shows that project-based learning has become a vital bridge for STEM and engineering competencies as well.

Zooming from the macro map to the twenty core studies, the systematic review identifies four strategic themes in recent work: the development of twenty-first-century skills, STEM and technology integration, pedagogical model innovation, and online learning through smart classroom technologies. The evidence points to a clear transition toward higher-order cognitive competencies. Students engaged in project cycles naturally practice computational thinking processes, decomposing driving questions into manageable parts, abstracting core requirements, and applying algorithmic thinking as they design step-by-step solutions for tangible final products. Studies reviewed by the authors report that participation in project-based activities fostered research behaviors and scientific identity, transforming students from passive recipients of information into active practitioners of scientific methods. Robotics-supported activities and platforms such as Scratch were associated with gains in creativity, motivation, and collaboration, while smart classroom technologies combining mobile devices and interactive whiteboards were linked to improved participation and problem-solving, particularly in rural settings.

Yet the review is candid about the obstacles, and this is where its findings become most consequential for policy. The authors identify a technology-dependency paradox: while digital tools amplify motivation and computational thinking, reliance on specific hardware or software can restrict the generalizability of learning outcomes, meaning that success depends less on the technology itself than on how well the pedagogical model adapts to its context. Four categories of challenges emerged consistently: infrastructure gaps, teacher capacity, research design limitations, and rural-urban disparities. In developing regions, the barriers can be existential, a lack of basic hardware and internet connectivity, whereas in wealthier contexts the challenges tend to be pedagogical, such as teachers struggling to scaffold open-ended projects. Insufficient teacher proficiency in designing and implementing project activities was flagged as a persistent implementation gap, and the scarcity of longitudinal data makes it difficult to know whether skill gains persist beyond immediate academic outcomes. The authors warn that without targeted policy interventions to ensure resource equity, project-based learning could inadvertently widen the educational gap between socioeconomic strata rather than close it.

The study’s conclusions read as a roadmap for the next phase of this educational movement. The researchers call for specialized in-service training that helps teachers master the transition from traditional instruction to project design, including the craft of writing driving questions that provoke higher-order thinking and the use of formative assessment tools such as rubrics and peer evaluation. They urge policymakers to align curriculum standards with interdisciplinary project requirements, drawing on frameworks like the Partnership for 21st Century Skills, so that project work becomes a systemic feature of schooling rather than an isolated classroom experiment. They recommend diversified assessment through portfolios, project presentations, and peer review; strengthened technological investment in rural and disadvantaged areas; and the deliberate integration of sustainability themes so that projects cultivate environmental responsibility alongside academic skills. Above all, they emphasize the need for longitudinal research to determine whether the competencies built through project-based learning translate into long-term career readiness. What emerges from this analysis is a field in energetic adolescence: methodologically maturing, globally interconnected, and demonstrably powerful at fostering critical thinking and creativity, but still dependent on the unglamorous work of teacher training, equitable infrastructure, and institutional commitment to fulfill its promise for every student, in every classroom, everywhere.

Subject of Research: Project-based learning and 21st-century skill development in K-12 education

Article Title: A bibliometric analysis and systematic literature review of project based learning in K12 education

Article References: A bibliometric analysis and systematic literature review of project based learning in K12 education. (n.d.). https://doi.org/10.1007/s44217-026-02150-0

Image Credits: AI Generated

DOI: 10.1007/s44217-026-02150-0

Keywords: project-based learning, K-12 education, 21st-century skills, bibliometric analysis, systematic literature review, computational thinking, STEM education, critical thinking, educational technology, digital divide, teacher training, PRISMA

The study, led by John Ogbeleakhu Aliu of the University of Georgia and the University of Johannesburg, together with colleagues including Ayodeji Emmanuel Oke, Kong Fah Tee, Douglas Aghimien, and Clinton Aigbavboa, set out to answer a deceptively simple question: how should universities teach nature-based solutions to the architects, engineers, and construction managers of the future? The answer matters because the effectiveness and scalability of nature-based interventions depend not just on technology or institutional capacity, but on whether higher education can produce graduates who understand, design, implement, and evaluate them. The researchers frame this challenge within the broader transition toward Industry 5.0 and Education 5.0, which shift emphasis from automation and digitalization toward human-centeredness, sustainability, and resilience—expanding what future professionals are expected to know and do.

To map the landscape, the team adopted a mixed-methods design that combined quantitative bibliometrics with a qualitative systematic review. They searched the Scopus database for peer-reviewed journal articles published between 2015 and 2026, a window chosen to align with the United Nations’ 2030 Agenda and its seventeen Sustainable Development Goals. The bibliometric analysis ultimately captured 919 documents from 246 sources, processed using VOSviewer version 1.6.20 and R Studio version 4.4.2. From that pool, the researchers applied the PRISMA framework—the Preferred Reporting Items for Systematic Reviews and Meta-Analyses—to filter records through successive rounds of screening, narrowing the field to 26 studies for in-depth qualitative synthesis. The dual approach allowed them to chart the intellectual structure of the field while simultaneously evaluating which pedagogical strategies actually work.

The bibliometric results reveal a field in explosive adolescence. Output was minimal in the early years, with a single publication recorded in 2015 and fewer than ten annually before 2017, but growth accelerated sharply from 2021 onward, peaking at 266 publications in 2025—an annual growth rate of 48.42 percent. The average document age is just 2.79 years, yet documents average 26.47 citations, underscoring both the field’s novelty and its influence. Keyword analysis traces a conceptual migration: early niche topics such as multifunctionality, urban agriculture, and well-being gave way to integrative concepts like urban green infrastructure, circular economy, and cities. Today, the most frequent keywords are green infrastructure with 140 occurrences, urban planning with 115, and ecosystem services with 90, while nature-based solutions itself dominates as the most recent and most common cluster, appearing 404 times with a median year of 2024—a sign of growing definitional coherence.

Geography tells its own story. China leads raw output with 127 publications, followed by Italy with 91 and the United States with 64, but the United Kingdom, with 60 articles, shows the highest proportion of internationally collaborative work at a multiple-country publication ratio of 0.550. Citation impact complicates the picture further: although China leads in total citations with 3,389, the Netherlands achieves the highest average citation count per article at 87.80, with Germany close behind at 52.30. Notably, no African country appears among the top ten in either total or average citations—a regional gap the authors flag as evidence of inequity in global knowledge production. The most cited works shaping the field include Kabisch and colleagues’ seminal 2016 analysis of urban nature-based solutions for climate mitigation, Keesstra and colleagues’ work on land management and ecosystem services, and Chan and colleagues’ study of China’s Sponge City flood-management concept.

Keyword co-occurrence network analysis, using a minimum threshold of 40 occurrences, organized 43 keywords into three clusters that together define the field’s knowledge structure. The largest cluster centers on urban sustainability and planning integration, encompassing adaptive management, biodiversity, climate change, green infrastructure, and sustainable development. A second cluster captures applied socio-environmental themes such as land use, urban growth, and vegetation, while a third focuses on risk, resilience, and water management, including flooding, stormwater, runoff, and decision making. The picture that emerges is of an interdisciplinary field consolidating around three dominant domains: planning integration, applied socio-environmental systems, and climate-responsive hazard reduction.

The systematic review of 26 studies then turned to the educational core of the question, and its findings are strikingly consistent. Coding of reported competencies revealed six distinct clusters: cognitive-systemic competencies such as systems thinking and interdisciplinary problem-solving; environmental and ecological competencies built through direct engagement with ecosystems; technical and design competencies spanning green building technologies and biomimicry-inspired solutions; resource management and circularity competencies covering sustainable materials and water quality; collaborative and participatory competencies developed through co-design and stakeholder engagement; and socio-emotional and ethical competencies including critical thinking, social empathy, and sustainability-oriented mindsets. Constructed wetlands served as living laboratories for exploring water pollution dynamics, campus edible gardens strengthened empathy and community engagement, and biomimicry-based design exercises promoted ecological sensitivity and creativity. Several studies even reported emotional resilience and transformative learning outcomes, suggesting that witnessing the results of one’s own interventions can reshape professional identity itself.

On the teaching side, the review identified six corresponding clusters of pedagogical strategies. Experiential and field-based learning dominated, with nature-based solutions functioning not as case examples but as active pedagogical environments—real wetlands, river restoration sites, and campus ecosystems where theory meets hydrology. Project-based and problem-based learning positioned nature-based solutions as answers to authentic sustainability challenges, from climate-responsive architecture studios to engineering coursework on water quality improvement. Collaborative and transdisciplinary approaches forced convergence among engineering, environmental science, and design perspectives, while participatory and co-design methods brought real users and decision-makers into the educational process. Simulation and analytical tools, such as the EASED sustainable design platform, allowed students to model and optimize scenarios in controlled settings, and reflective, transformative learning helped students internalize the broader implications of their work for climate resilience and socio-ecological well-being.

The authors interpret these findings through two established learning frameworks. In terms of Bloom’s revised taxonomy, nature-based solutions education appears to move students beyond remembering and understanding toward applying, analyzing, evaluating, and creating—students analyze interconnected socio-ecological systems, weigh competing interventions, and design context-sensitive solutions. Fink’s taxonomy of significant learning adds further dimensions: application, integration, the human dimension, and caring all map onto the collaborative, participatory, and reflective elements of nature-based pedagogy. The practical implication is that nature-based solutions should not be treated as optional sustainability content bolted onto existing courses, but as authentic learning contexts through which entire curricula can be restructured around competency development.

Yet the study is candid about the field’s shortcomings. Implementation remains uneven across disciplines and regions, engineering and construction programs still prioritize grey infrastructure paradigms, and standardized metrics for assessing competency development are largely absent, making it difficult to compare outcomes across programs or countries. The authors call for longitudinal studies tracking whether competencies persist into professional practice, validated assessment instruments aligned with higher-order learning levels, and integration of nature-based solutions into formal accreditation standards so that sustainability competencies become embedded rather than elective. They also acknowledge that their analysis drew only on Scopus-indexed literature, potentially excluding relevant work in other databases and regional journals. Still, the central message lands with force: as cities confront escalating climate pressures, the universities training the next generation of built environment professionals have both the evidence and the pedagogical toolkit to teach students how to design cities that work with nature rather than against it. What remains is the institutional will to embed that lesson across the curriculum.

Subject of Research: Integration of nature-based solutions into built environment higher education to develop sustainability competencies

Article Title: Nature-based solutions in built environment education for developing sustainability competencies through bibliometric and systematic analysis

Article References: Nature-based solutions in built environment education for developing sustainability competencies through bibliometric and systematic analysis. (n.d.). https://doi.org/10.1007/s44217-026-02114-4

Image Credits: AI Generated

DOI: 10.1007/s44217-026-02114-4

Keywords: nature-based solutions, built environment education, sustainability competencies, bibliometric analysis, systematic review, experiential learning, ecological literacy, systems thinking, green infrastructure, higher education, urban resilience, Education 5.0

The numbers tell a striking story. After a careful search of the Web of Science database using terms combining biochar, soil quality, and tropical or semi-arid environments, the researchers identified 666 records and retained 505 for analysis. Publications have climbed steadily since 2014, peaking at 73 articles in 2024 alone. China dominates the landscape with 183 articles and 7,257 citations, followed by the United States with 70 publications and 4,174 citations, and Pakistan with 49 articles. Intriguingly, the leading producers are not themselves defined by tropical or semi-arid climates, yet the studies they publish focus squarely on dryland and vulnerable agroecosystems, revealing a global scientific division of labor in which wealthy research powers investigate the problems of the world’s most fragile farmland.

The collaboration networks uncovered by the analysis are equally revealing. Using co-authorship mapping and a metric called Total Link Strength, which quantifies the intensity of connections between countries, the team found China sitting at the epicenter of global biochar science with a link strength of 700, far ahead of the United States at 404, Australia at 290, Pakistan at 256, Saudi Arabia at 212, and Germany at 184. The thickest collaborative threads connect China with Pakistan, Saudi Arabia, Australia, and the United States. Pakistan and Saudi Arabia have emerged as regional hubs for the Middle East and South Asia, while Brazil, despite its obvious stake as a tropical nation, occupies an intermediate position with 32 publications and a comparatively modest link strength of 105, a signal that the researchers say points to an urgent need for stronger international partnerships.

At the level of individual scientists, the analysis identified Wang Qi as the most prolific author with 10 publications, acting as a bridge between research clusters, though his citation count of 88 lags behind Muhammad Arif, whose 7 papers have drawn 355 citations. This divergence illustrates a principle that echoes throughout the field: scientific impact depends not on volume but on depth and relevance. The temporal analysis of author networks between 2016 and 2022 shows a rising generation of researchers, including Zhang Dengkui, Zhou Xujiao, and Erastus Mak-Mensah, signaling renewal and expansion within a community once anchored by a smaller cadre of pioneers.

The intellectual foundations of the field rest on a handful of landmark papers. Co-citation analysis, which measures how often two works are cited together, places Laird’s 2010 study at the center with 47 connections and 1,116 citations, flanked by Agegnehu’s 2016 work and Lal’s 2009 contribution. These foundational references continue to guide new research even as recent publications gain ground, and their interdisciplinary reach, spanning soil physics, chemistry, agronomy, and environmental science, reflects the inherently cross-cutting nature of biochar research. Journals such as Science of the Total Environment, with 25 publications and 2,173 citations, and Geoderma, with just 11 articles but a remarkable 2,063 citations, serve as the primary vessels carrying this knowledge to the scientific community.

Perhaps the most consequential findings come from the keyword co-occurrence and thematic mapping, which reveal the field’s conceptual architecture. Four major clusters dominate: a core focused on biochar, soil, and carbon sequestration; an agronomic cluster built around yield, growth, and fertilizer; a production cluster examining pyrolysis temperature and physicochemical properties; and an emerging cluster centered on heavy metals, adsorption, and remediation. The temporal evolution unfolds in three distinct phases, from a characterization-focused period between 2014 and 2017, through a diversification into agricultural systems from 2018 to 2020, to a post-2021 consolidation around climate mitigation and soil sustainability.

The mechanistic evidence underpinning these themes is substantial. Meta-analyses cited in the study report an average increase of 61 percent in soil carbon following biochar application, driven by the formation of stable organo-mineral complexes, particularly in medium to fine-textured soils. Water and nitrogen use efficiency gains exceeding 14 percent have been documented, while synergistic combinations of biochar and nitrogen fertilizer have produced cumulative productivity improvements alongside reduced emissions of methane and nitrous oxide over five-year trials. Global balance studies estimate that large-scale biochar deployment could remove between 2.6 and 10.3 petagrams of carbon dioxide equivalent, potentially offsetting up to 6 percent of global emissions, a figure that positions biochar among the most promising carbon dioxide removal strategies currently available.

Why does biochar matter so much for tropical and semi-arid regions specifically? These landscapes face a punishing combination of low organic matter, high nutrient leaching, recurrent water stress, and accelerating degradation driven by intensive agriculture, deforestation, and climate change. Biochar, produced by heating biomass under oxygen-limited conditions, addresses several of these vulnerabilities simultaneously: its porous structure retains water in sandy soils, its alkalinity corrects the acidity typical of weathered tropical soils, its high cation exchange capacity holds nutrients against leaching, and its internal architecture provides habitat for beneficial microorganisms. Studies compiled in the analysis also show improved plant tolerance to salt and drought stress, mediated through better soil structure and reduced sodium uptake.

Yet the path to large-scale adoption is far from clear, and the bibliometric evidence exposes the field’s soft spots. Biochar’s properties vary enormously depending on feedstock and pyrolysis conditions, making results difficult to generalize. Long-term data on the material’s persistence and aging in soil remain scarce, methodological standardization is lacking, and the risk of contaminant introduction from poorly characterized feedstocks cannot be ignored. The viability of biochar-based carbon credits still awaits consolidated measurement, reporting, and verification frameworks. The researchers conclude that progress now depends on interdisciplinary approaches, decades-long field experiments across multiple biomes, and strengthened international collaborations that bring developing countries into the center of the research effort rather than its periphery.

The stakes could hardly be higher. As climate change intensifies and arable land continues to degrade, the world needs scalable, affordable technologies that restore soil while locking away carbon. This analysis suggests biochar has earned its place on that shortlist, but it also delivers a sober warning: without rigorous long-term science, standardized protocols, and genuine global cooperation, a technology born from ancient Amazonian dark earths risks remaining what it is today, a phenomenon of the literature rather than of the land.

Subject of Research: Bibliometric analysis of global biochar research trends for soil quality improvement in tropical and semi-arid regions

Article Title: Trends and hotspots in biochar research for soil quality improvement in tropical and semi-arid regions based on bibliometric analysis

Article References: Alves, A. B., de Souza, A. L. V., de Lima, I. C. F., da Costa, L. J., da Silva, L. C., Filho, M. F. C., de Lavôr, W. K. B., de Souza, D. C. S., da Silva, E. F., Silva, D. V., Batista, R. O., do Carmo, F. R., & de Sousa Antunes, L. F. (2026). Trends and hotspots in biochar research for soil quality improvement in tropical and semi-arid regions based on bibliometric analysis. Discover Soil, 3(1), Article 115. https://doi.org/10.1007/s44378-026-00275-0

Image Credits: AI Generated

DOI: 10.1007/s44378-026-00275-0

Keywords: biochar, soil quality, bibliometric analysis, carbon sequestration, soil remediation, tropical agriculture, semi-arid regions, pyrolysis, soil degradation, water retention, nutrient cycling, international collaboration

The scale of the recent acceleration is striking. According to the study, led by Jiayuan Li and Xin Xie of the Future Design School at Harbin Institute of Technology in Shenzhen, together with Chunwen Yang and Walton Wider, 79.7 percent of all publications on industrial heritage appeared in just the last decade, between 2016 and 2025. This surge was accompanied by sustained growth in citations, indicating that the field is not merely producing more papers but generating work that other scholars actively build upon. The researchers attribute this intensification to mounting global pressure on post-industrial cities, where deindustrialization has left vast tracts of obsolete infrastructure that demand decisions about demolition, preservation, or transformation.

Geographically, the study found that research output is concentrated in two powerhouses: Europe and China. This distribution reflects the different but converging pressures facing each region. Europe, home to the cradle of the Industrial Revolution, has spent decades grappling with the legacy of abandoned mines and factories in regions such as the Ruhr Valley in Germany and the coalfields of Wales, where heritage tourism has been promoted as a legitimate strategy for post-industrial economic restructuring. China, by contrast, has experienced an extraordinarily rapid wave of industrial restructuring, with cities like Beijing, Shanghai, Chongqing, Nanjing, and Guangzhou racing to decide the fate of factory complexes that ceased operation only within living memory.

To dissect the intellectual architecture of the field, the team employed a battery of computational bibliometric techniques. Performance analysis tracked publication and citation trends over the 35-year window, while VOSviewer software was used to construct co-citation and co-word networks, revealing which scholars and concepts form the field’s foundations and which themes cluster together. CiteSpace, a tool designed to detect emerging trends and transient patterns in scientific literature, was then applied to identify term bursts, periods when particular keywords suddenly spike in scholarly attention. The methodology followed established science-mapping principles, including the systematic review reporting standards set out in the PRISMA 2020 guidelines, lending rigor to the identification and screening of the publication corpus.

The co-citation analysis uncovered three distinct knowledge domains that anchor the field. The first centers on industrial heritage tourism, identity, and memory, a tradition tracing back to foundational work on mines and quarries as tourist attractions and on the role of heritage in community identity. The second domain revolves around adaptive reuse and sustainable urban regeneration, encompassing research on how obsolete industrial buildings can be converted to new functions while reducing environmental impacts, a topic increasingly framed through the lens of the circular economy. The third domain concerns governance and participatory planning, examining how stakeholders, communities, and authorities negotiate the future of industrial sites, from Berlin’s Oberschöneweide district to post-industrial landscapes where public participation has reshaped redevelopment outcomes.

Co-word analysis reinforced these domains while revealing the thematic glue that binds them. Tourism interpretation and place identity emerged as tightly linked concepts, reflecting scholarly consensus that how industrial sites are narrated to visitors shapes whether local communities embrace or resent their heritage designation. Adaptive reuse and conservation for sustainable regeneration formed another thematic cluster, connecting building-level technical decisions to city-scale sustainability goals. A third cluster addressed site management within urban redevelopment, highlighting the practical challenges of integrating heritage protection into planning systems that often prioritize land value and capital accumulation. The researchers note that journal and institutional rankings differed depending on whether productivity, citation impact, or network connectivity was measured, a sign that the field’s most prolific contributors are not always its most influential connectors.

The term-burst analysis added a temporal dimension, showing how scholarly attention has surged around specific concepts at specific moments. Bursts were detected for terms including industrial heritage itself, tourism, adaptive reuse, authenticity, quality, history, heritage, frameworks, and spatial distribution. These bursts chart the field’s evolution: early work concentrated on defining industrial heritage and establishing its touristic value, while later phases saw intensifying focus on authenticity debates, the development of sustainable management frameworks, and the spatial dimensions of heritage within urban fabric. The trajectory suggests a maturing discipline moving from descriptive case studies toward theoretical frameworks and evaluative methods, including multicriteria decision analysis and fuzzy approaches for assessing the value and reuse potential of industrial buildings.

Beneath the bibliometric patterns lies a profound tension that has animated the field since its inception: the dissonant nature of industrial heritage itself. Unlike castles or cathedrals, factories and mines are often sites of labor conflict, environmental degradation, and painful economic loss. Scholars in the field have long wrestled with whose heritage is being preserved and whose is being erased, examining how communities’ sense of deprivation can persist even as their industrial past is packaged for tourists. The new mapping confirms that questions of social value, community recognition, and authorized heritage discourse remain central, with recent work exploring digital and participatory methods for involving superdiverse urban populations in deciding what aspects of their industrial past deserve to survive.

The study’s authors argue that the four research areas identified, heritage interpretation, adaptive reuse, governance, and urban redevelopment, should be understood not as separate silos but as connected components of a single sustainability challenge. A converted power station becomes a cultural venue only if governance structures support its operation; a heritage tourism strategy succeeds only if interpretation resonates with local identity; and urban regeneration flourishes only when conservation performance is measured against real social and environmental outcomes. Yet the analysis also exposes gaps. The authors call for comparative and longitudinal research on conservation performance, public access, social value, and local outcomes, noting that much of the existing literature remains anchored in individual case studies rather than systematic cross-site evaluation over time.

For policymakers, urban planners, and heritage practitioners, the mapping offers a practical roadmap. As cities worldwide confront climate targets, housing shortages, and the economic aftershocks of deindustrialization, the adaptive reuse of industrial buildings is increasingly promoted as a strategy that conserves embodied carbon, preserves cultural memory, and catalyzes neighborhood revitalization simultaneously. The evidence base for those decisions, this study shows, has grown explosively but unevenly, concentrated in Europe and China and organized around three intellectual traditions that are only now beginning to converge. The derived datasets and analysis outputs from the research are being made publicly available under a Creative Commons license, inviting the next generation of scholars to extend the map into regions, languages, and questions that the first 35 years of industrial heritage research have yet to fully reach.

Subject of Research: Bibliometric mapping of global industrial heritage research on conservation, adaptive reuse, and sustainable urban regeneration

Article Title: From industrial remains to sustainable futures: mapping the knowledge structure and emerging directions of industrial heritage research

Article References: Li, J., Xie, X., Yang, C., & Wider, W. (2026). From industrial remains to sustainable futures: mapping the knowledge structure and emerging directions of industrial heritage research. SN Social Sciences, 6(10), Article 468. https://doi.org/10.1007/s43545-026-01777-y

Image Credits: AI Generated

DOI: 10.1007/s43545-026-01777-y

Keywords: industrial heritage, bibliometric analysis, adaptive reuse, heritage tourism, sustainable urban regeneration, co-citation analysis, term-burst analysis, heritage governance, place identity, urban redevelopment, Web of Science, VOSviewer