The technical machinery behind the study is as important as its findings. Bibliometrics and scientometrics treat the scientific literature itself as a dataset: every paper becomes a node in a network, every citation a directed edge, every co-authorship a bond between institutions and nations. By systematically extracting these relationships and visualizing them with tools such as co-authorship mapping, the researchers could measure not only how much has been published about sustainability in higher education but who produces it, who cites it, and how tightly — or loosely — the global research community is woven together. This approach follows well-established methodological guidance in the field, including frameworks for conducting rigorous bibliometric reviews and the principles laid out in the Leiden Manifesto for responsible research metrics, which caution against reducing science to raw counts alone.

What the analysis found is a field that has expanded almost continuously since its modest beginnings in the mid-1970s. The early literature, emerging in the wake of the environmental movement and the concept of sustainable development, was sparse and largely concentrated in North America and Western Europe. Over subsequent decades, publication volumes climbed steadily, with particularly sharp acceleration after the United Nations launched its Decade of Education for Sustainable Development and, later, the 2030 Agenda and its seventeen Sustainable Development Goals. Universities responded to these policy signals by embedding sustainability into curricula, research agendas and institutional commitments, generating a corresponding wave of scholarly output that examined everything from key competencies for sustainable development to the greening of campus operations and the integration of the goals into formative academic offerings.

Yet the geography of this growth is deeply lopsided. Developed countries serve as the key drivers of scientific production in the field, accounting for the lion’s share of publications, citations and institutional leadership. Researchers in wealthy nations dominate the most-cited journals, convene the major conferences, and set the intellectual agenda for how sustainability should be taught. By contrast, the study identifies significant barriers limiting the participation of developing countries — most notably the scarcity of research funding and the lack of international cooperation. These constraints do not merely reduce publication counts; they adversely affect the global impact of scholarship produced in the Global South, where many of the most acute sustainability challenges — from climate vulnerability to biodiversity loss to energy poverty — are experienced most directly.

Perhaps the most technically revealing component of the study is its co-authorship network analysis, which exposes significant fragmentation in collaboration among researchers from different regions. In network terms, the global research community on sustainability in higher education is not a densely connected web but an archipelago of clusters, with strong ties within regions and institutions but comparatively weak bridges across them. This fragmentation matters for a very practical reason: sustainability is inherently a transdisciplinary enterprise, requiring the integration of insights from engineering, ecology, economics, pedagogy and the social sciences. When researchers from different regions and disciplines rarely co-publish, transdisciplinary approaches struggle to take root, and the field risks reproducing the same siloed thinking that sustainability education is meant to overcome.

The study also delivers a timely assessment of how the COVID-19 pandemic reshaped sustainability education. When campuses closed in 2020, universities were forced to migrate hands-on, experiential learning — a cornerstone of education for sustainable development — into digital environments. The analysis highlights the rapid adoption of hybrid pedagogical models that combine digital tools with practical approaches, a shift that began as emergency improvisation and has since evolved into a durable feature of the pedagogical landscape. Researchers who had long championed real-world learning opportunities, in which students move from the classroom into communities and workplaces to tackle live sustainability problems, found themselves redesigning these experiences for screens. The pandemic thus functioned as an unplanned stress test, accelerating digital transformation in ways that would otherwise have taken years.

The regional perspectives in the study are particularly valuable because they come from a research team rooted in Latin America and Europe rather than the traditional centers of bibliometric research in North America and Northern Europe. Latin American universities have been actively mapping their sustainability initiatives, from institutional declarations to curricular reforms, and scholarship from the region has documented both encouraging progress and persistent obstacles, including limited funding, heavy teaching loads and weak institutional incentives for sustainability research. Chilean universities, for example, have been the subject of bibliometric analyses of social responsibility, and Colombian institutions have been studied for holistic integration of sustainability. The new study situates these regional efforts within the global picture, showing how they connect — or fail to connect — to the wider network.

The authors close with recommendations aimed at strengthening international collaboration and consolidating regional research networks. Concretely, this means designing funding instruments that explicitly support North-South and South-South partnerships, reducing the administrative and financial barriers that keep researchers in developing countries out of international consortia, and building regional networks that can aggregate critical mass before plugging into global structures. It also means investing in the research infrastructure of the Global South — journal access, bibliometric visibility, open publishing pathways — so that locally generated knowledge about sustainability education can circulate globally rather than remaining invisible to citation indices, which are known to underrepresent journals from developing regions.

The stakes of these reforms could hardly be higher. Higher education institutions are widely regarded as critical actors in creating a sustainable future: they train the professionals who will design climate policy, manage ecosystems and transform industries, and they produce much of the research on which those decisions depend. If the knowledge base for sustainability education remains concentrated in a handful of wealthy countries, the solutions it generates will be shaped by a narrow band of experience and may fit poorly in the contexts that need them most. Conversely, a genuinely connected, well-funded and transdisciplinary global research community could accelerate the flow of good practice from wherever it emerges to wherever it is needed. The new analysis provides both a warning about the current state of the network and a quantitative roadmap for weaving it together.

Subject of Research: Bibliometric and scientometric analysis of global scientific production, collaboration networks and regional disparities in sustainability research within higher education since 1975.

Article Title: Global patterns in higher education and sustainability research: trends, collaboration networks and regional perspectives

Article References: Gunckel, T., Rubio, A., Guiu, R. F., & Moraga, H. (2026). Global patterns in higher education and sustainability research: trends, collaboration networks and regional perspectives. Journal of Environmental Studies and Sciences. https://doi.org/10.1007/s13412-026-01138-4

Image Credits: AI Generated

DOI: 10.1007/s13412-026-01138-4

Keywords: sustainability, higher education, bibliometric analysis, scientometrics, co-authorship networks, Sustainable Development Goals, international collaboration, developing countries, research funding, COVID-19, hybrid pedagogy, transdisciplinary research

The article, the product of a consensus workshop at an international meeting of the Organization for the Study of Sex Differences in May 2019 and a subsequent expert meeting in Ottawa sponsored by the Institute of Gender and Health of the Canadian Institutes of Health Research, brings together a strikingly interdisciplinary authorship. Neuroscientists, physiologists, historians of science, internists, nephrologists, nurses, social workers, epidemiologists, and implementation scientists, led by co-first authors Gillian Einstein of the University of Toronto and Louise Pilote of McGill University, along with senior author Cara Tannenbaum of the Université de Montréal, collectively propose a name and a vision for what they call Sex and Gender Science. They describe it as a transdisciplinary, integrative, bio-social-medical field that combines diverse methods to investigate how sex and gender dynamically interact to shape disease outcomes, illness experiences, and the very conduct of science itself.

The conceptual core of the proposal rests on the claim that sex and gender are interactional and deeply interwoven. Within sex, the authors situate hormonal, genetic, physiological, and morphological processes and characteristics, from chromosomal complements and gonadal steroid fluctuations to organ-level physiology and morphology. Within gender, they include roles, relations, norms, institutional imperatives, and identities, along with their downstream consequences for behavior, environment, access to resources, and exposure to stress. Crucially, the authors argue, these domains are not merely additive; they operate on each other. Gendered expectations influence hormonal and physiological responses, while biological traits shape how institutions and individuals respond to a person. In this framing, gender literally gets under the skin, while sex expresses itself inescapably through social worlds.

Concrete clinical examples illustrate the stakes. Acute coronary syndrome presents differently across patients in ways that reflect both vascular biology and gendered patterns of symptom recognition, care-seeking, and triage in emergency departments. In Alzheimer’s disease, two-thirds of affected individuals are women, and research discussed in the article points to interactions between reproductive histories, such as surgical menopause, stress physiology involving corticotropin-releasing factor, and gendered lifecourse exposures, rather than a single biological cause. In nephrology, sex differences in kidney physiology intersect with gendered differences in access to dialysis, transplantation, and medication adherence. Even occupational health reflects the interplay, as shown by analyses of personal protective equipment designed around male body norms during the COVID-19 pandemic, where ill-fitting gear compromised the safety of women in frontline roles. The authors also cite emerging concerns about automatic gender recognition technologies and gendered patterns of cannabis use disorder as domains where simplistic binary assumptions fail patients and obscure mechanisms.

Methodologically, Sex and Gender Science is defined by its refusal to choose between reductionist and constructionist approaches. The authors assume complexity, question established stereotypes and binaries, and support evolving methods that can capture interactional effects over time. That means experimental work in animal models attentive to sex as a biological variable can be paired with qualitative and quantitative human studies of gendered environments; intersectional epidemiology can be integrated with endocrine and genetic measurement; and implementation science can test whether sex- and gender-informed findings actually change clinical practice. The transdisciplinary ambition is deliberate: rather than creating another silo, the field aims to weave together the humanities, social sciences, and biomedical sciences, drawing on decades of feminist scholarship, gender studies, and basic biology that have until now developed along separate tracks.

The historical context for this synthesis is instructive. Biomedical research long treated male bodies as the default experimental subject, from clinical trials to preclinical animal studies, on the grounds that hormonal cycles made female subjects inconveniently variable. Landmark policy changes in the United States, Canada, and Europe over the past three decades required the inclusion of women in clinical research and the accounting for sex as a biological variable in grant applications. Simultaneously, scholars in gender and health demonstrated that social positions assigned by gender produce measurable health inequities, from differential exposure to violence and occupational hazards to differences in healthcare access and treatment. What was missing, the authors argue, was a systematic framework linking these two streams, so that researchers could ask not simply whether men and women differ, but how biological and social variables interact to produce particular outcomes in particular individuals.

The consensus process behind the article gives its claims unusual weight. By convening basic scientists who study sexually dimorphic neural circuits and stress pathways alongside clinicians, historians, and social scientists, the meeting produced a shared vocabulary and a shared commitment. The resulting highlights, as stated by the authors, include forging new ways of knowing about wellness, health, and disease; assuming complexity and questioning binaries; providing a more comprehensive picture of human health when sex and gender are studied together; and starting from the particularity of individuals with the ultimate goal of improving the well-being of all. That final point is significant politically as well as scientifically: the field explicitly encompasses transgender and gender-diverse populations, recognizing that gender identity itself interacts with biology in ways that mainstream medicine has historically ignored or pathologized.

For clinical practice, the implications are immediate. Diagnostic criteria, drug dosing, device design, and screening schedules built on averages derived from unrepresentative populations can be reexamined through the interactional lens that Sex and Gender Science provides. A patient is never just a sex and never just a gender; each person embodies a unique configuration of hormonal milieu, genetic background, organ physiology, gendered labor and caregiving burdens, institutional exposure, and identity. Precision medicine that ignores either domain is, on this argument, not precise at all. The authors point to the growth of national organizations, such as the Canadian Organization for Sex and Gender, and to curriculum reform in medical schools as evidence that institutional infrastructure is beginning to catch up with the science.

The article also acknowledges open questions and future directions. Measuring gender as rigorously as sex is measured remains an active methodological challenge, with validated instruments still evolving. Distinguishing interaction effects from confounding in observational data requires statistical sophistication and large, diverse cohorts. And the field must navigate political controversies surrounding sex and gender discourse without retreating from empirical evidence. The authors frame these challenges as generative rather than paralyzing, arguing that the very friction of integrating methods across disciplines produces better science, sharper questions, and more honest uncertainty. They call for funding structures, training programs, and publication venues that reward transdisciplinary work rather than penalizing it in favor of narrow, single-domain studies.

If Sex and Gender Science succeeds on its own terms, the payoff could be a medicine that finally matches the complexity of the patients it serves: one in which a heart attack, a dementia diagnosis, a kidney transplant, or a workplace injury is understood through the full entanglement of chromosomes, hormones, organs, identities, relationships, and institutions that shaped it. The article’s message to researchers is blunt in its simplicity. It is not either sex or gender; it is both, together. After decades of separation, the biological and the social are being brought back into a single scientific frame, and the authors argue that the health of everyone stands to gain from what this emerging field discovers next.

Subject of Research: Sex and Gender Science, an emerging transdisciplinary field integrating biological sex and social gender in health research

Article Title: Sex & Gender Science: integrating the social with the biological

Article References: Einstein, G., Pilote, L., De Vries, G., Richardson, S., Forger, N., Perović, M., Ahmed, S., Bauer, G., Graham, I. D., Greaves, L., Klinge, I., Logie, C. H., McKay, D., McMurtry, M. S., Oliffe, J. L., & Tannenbaum, C. (2026). Sex & Gender Science: integrating the social with the biological. Biology of Sex Differences. https://doi.org/10.1186/s13293-026-00977-8

Image Credits: AI Generated

DOI: 10.1186/s13293-026-00977-8

Keywords: sex and gender science, biological sex, gender and health, transdisciplinary research, Biology of Sex Differences, health inequities, sex differences, gender identity, precision medicine, Alzheimer's disease, cardiovascular disease, Canadian Institutes of Health Research