Cross-border electricity trade has long been promoted as one of the most practical pathways toward universal energy access in Africa. Regional power pools, including the Southern African Power Pool, the West African Power Pool, the Eastern Africa Power Pool and the Central African Power Pool, were established to allow member countries to exchange electricity, smooth out seasonal imbalances and exploit complementary generation resources. Hydropower-rich nations can export surplus generation during wet seasons, while countries with thermal or solar advantages can supply power when their neighbors face shortfalls. In principle, this interdependence lowers costs, improves reliability and accelerates the integration of renewable energy into continental grids.

The new analysis suggests that this interdependence carries a political dimension that has been underappreciated in energy planning. When electricity flows across national borders, the security of supply depends not only on physical infrastructure and hydrological conditions but also on the stability of diplomatic relations, the credibility of contractual commitments and the domestic political circumstances of the trading partners. A transmission interconnector is only as reliable as the political willingness of both ends to keep it operating. The researchers characterize this as political risk: the possibility that political events, decisions or instability within or between countries will disrupt the expected benefits of power trades.

What distinguishes the study’s central finding is its temporal claim. Rather than treating political risk as a static background condition, the authors assess how exposure to such risk is likely to evolve in the near term. Their results indicate that exposure is set to increase for African power trades, meaning that a growing share of planned and existing electricity exchanges will be linked to countries or corridors where political conditions could plausibly interfere with trade. This near-term horizon matters for planners and investors, because decisions made today about interconnectors, generation projects and power purchase agreements will mature precisely during the period in which the researchers find risk to be rising.

The mechanisms behind this increasing exposure are rooted in the geography of Africa’s energy transition. Many of the continent’s most ambitious generation projects are large hydropower dams situated on transboundary rivers, and many of the newest interconnector projects cross regions that have experienced contested elections, border disputes, coups or civil conflict. As trade volumes grow, more electricity is routed through corridors that pass through or depend on politically fragile territory. The study’s framework captures this compounding effect: expansion of trade increases the number of politically sensitive links, and each additional link raises the aggregate exposure of the system even if the risk attached to any single link remains unchanged.

Political risk in power trading manifests in several distinct forms. At the most direct level, armed conflict or political violence can damage transmission infrastructure, force the suspension of cross-border flows or render corridors unsafe for maintenance crews. At a second level, government turnover can lead to the renegotiation or repudiation of power purchase agreements, changes in regulated tariffs or the imposition of export restrictions during domestic shortages. At a third level, broader macroeconomic and currency instability can undermine the financial viability of trade contracts, since electricity sales denominated in foreign currency become harder to settle when local currencies depreciate. Each of these channels can convert a politically routine event into a disruption of electricity supply hundreds or thousands of kilometers away.

The researchers emphasize that these risks are not evenly distributed. Some regional power pools operate in environments with comparatively stable institutions and established dispute-resolution mechanisms, while others span borders where such mechanisms are weak or untested. The study’s mapping of political risk onto trading relationships reveals that certain countries function as critical nodes: they occupy positions in the network where multiple trades converge, so political disruption within a single state can propagate through several bilateral arrangements simultaneously. This network perspective shifts the analytical focus from individual country risk assessments to the structure of the trading system as a whole, highlighting how connectivity that delivers efficiency in normal conditions can also transmit shocks in disturbed ones.

For investors and development finance institutions, the findings carry practical implications. Independent power producers and lenders already apply country risk premiums when pricing projects in politically uncertain environments, but the study suggests that these premiums may understate the risk borne specifically by cross-border trades, which layer international political exposure on top of domestic risk. Insurance products covering political violence and contract frustration exist, yet coverage for the particular configuration of risks in regional power pools remains limited. The authors’ near-term projection of increased exposure implies that the window for strengthening contractual safeguards, diversifying trade routes and building institutional capacity is narrower than many current planning documents assume.

The research also speaks to the design of regional institutions. Power pools that have developed standardized trading rules, transparent scheduling procedures and credible mechanisms for settling disputes between members provide a buffer against political interference, because they make defection from agreed arrangements more visible and more costly. The study’s results underscore the value of such institutions precisely where they are hardest to build. Strengthening them, the analysis implies, is not merely an administrative nicety but a form of risk management that directly protects the reliability of electricity supply for millions of people who depend on imported power.

Ultimately, the study reframes a familiar optimism about Africa’s energy future. Regional electricity trade remains one of the most promising tools for expanding access, integrating renewables and lowering costs across the continent, and nothing in the findings suggests that this promise has diminished. What the research makes clear is that the political foundations of that trade deserve the same analytical attention as its engineering and economics. As the near-term horizon brings increased exposure to political risk, the durability of Africa’s power trades will depend on whether the institutions, contracts and diplomatic relationships underpinning them can evolve as quickly as the infrastructure itself.

Subject of Research: Near-term political risk exposure of cross-border electricity trade in Africa

Article Title: Near-term increased exposure to political risk for African power trades

Article References: Bonserio, T., Carlino, A., Giuliani, M., & Castelletti, A. (2026). Near-term increased exposure to political risk for African power trades. Nature Communications. https://doi.org/10.1038/s41467-026-77362-x

Image Credits: AI Generated

DOI: 10.1038/s41467-026-77362-x

Keywords: political risk, Africa, electricity trade, regional power pools, energy security, transmission interconnectors, hydropower, energy transition, investment risk, grid integration, Nature Communications, energy policy

Reactive capture of CO2, often abbreviated RCC, departs from the conventional sequence of capturing carbon and then converting it in separate, energy-intensive steps. Instead of regenerating a CO2-rich gas through thermal stripping, RCC feeds CO2-rich liquids, such as hydroxide solutions or amine-based capture solvents, directly into an electrolyser. Inside the cell, the captured carbon is electrochemically reduced at the cathode while the solvent is regenerated or replenished, bypassing the thermal regeneration step that dominates the energy budget and capital cost of traditional capture plants. This process simplification is the central claim of the Perspective, authored by researchers at the University of Toronto in collaboration with scientists at Shell Global Solutions International B.V.

The technical logic is straightforward. In a conventional carbon capture and utilization chain, flue gas is first scrubbed with an absorbent, then heated to release a concentrated CO2 stream, compressed, and finally fed into a gas-fed electrolyser that reduces it to products such as carbon monoxide, syngas, or formate. Each step carries thermodynamic penalties and capital overhead. RCC collapses this chain: the capture solvent itself becomes the electrolyte, and the carbon locked within it is converted directly at an electrode surface. The authors emphasize that this integration can substantially reduce the overall energy demand of combined capture and conversion, a conclusion supported by prior comparative analyses of sequential and integrated capture-conversion pathways.

Perhaps counterintuitively, the Perspective also argues that RCC is more tolerant of the messy realities of industrial emissions than gas-fed electrochemical reduction. Gas-fed CO2 electrolysers are notoriously sensitive to impurities such as oxygen, sulfur oxides, and nitrogen oxides, which poison catalysts and degrade performance. Liquid-fed RCC systems, by contrast, can accommodate these contaminants to a greater degree because the capture solution acts as a buffer and because the electrochemical reduction occurs in the liquid phase. Earlier studies have demonstrated oxygen-resistant and impurity-resistant CO2 reduction when using reactive carbon solutions, a property that matters enormously because real industrial flue gases are never pristine. RCC can also generate high-purity gaseous outputs directly, enabling a fully electrified chemical synthesis process tailored to industrial CO2 feedstocks.

The acknowledged weakness of RCC lies in the maturity of its electrolysers. Gas-fed CO2 electrolysis has attracted the bulk of research investment, and its devices are correspondingly more developed, with larger cell areas, longer demonstration runs, and clearer scale-up pathways. Current RCC electrolysers lag behind in stability and scale, and the Perspective identifies three interlocking barriers that must be addressed before the technology can compete. First, cathodes must be engineered to tolerate capture solvents, which are often alkaline or amine-rich environments that corrode conventional catalyst surfaces or promote competing hydrogen evolution. Recent reports of corrosion and enhanced hydrogen evolution during the electrochemical reduction of ammonium carbamate on transition metal surfaces illustrate the severity of this challenge.

Second, the capture fluids themselves must be reformulated to be compatible with electrolysis. Classic monoethanolamine solvents, the workhorse of post-combustion capture, have been shown to detrimentally affect CO2 electroreduction, binding carbon too tightly and interfering with catalysis. This has spurred the development of alternative solvents, including amino acid-based capture agents, switchable polarity solvents, and hindered alkanolamines whose reaction pathways can be tuned. Studies have demonstrated reactive capture through amino acid solvents and direct carbonate electrolysis into pure syngas, suggesting that a palette of electrolysis-compatible capture fluids is emerging. The authors argue that co-designing the solvent and the electrode, rather than optimizing each in isolation, will be essential for industrial relevance.

Third, the membrane components of RCC electrolysers, particularly bipolar membranes, require major advances in efficiency, scalability, and durability. Bipolar membranes perform voltage-driven water dissociation, supplying protons and hydroxide ions to the respective electrode compartments and enabling pH management that is critical to carbonate and amine electrolysis. However, the efficiency of water dissociation at the membrane junction directly controls cell voltage and thus energy consumption, and reverse-bias operation imposes demands that current commercial membranes struggle to meet. Research into accelerating water dissociation kinetics and understanding the multi-scale physics of bipolar membranes is advancing, but the Perspective stresses that membrane lifetime under industrially relevant current densities remains a decisive unknown.

On the question of economics, the authors evaluate the performance targets that RCC must hit to become cost-competitive with alternative conversion technologies. Techno-economic analyses synthesized in the article compare RCC-derived syngas against conventional syngas production routes such as steam methane reforming and reverse water gas shift, as well as against competing electrified pathways including high-temperature solid oxide co-electrolysis. A crucial insight is that electrolyser energy consumption dominates separation costs in state-of-the-art CO2 electrolysers, which strengthens the case for RCC because it avoids upstream regeneration and compression energy. The Perspective contends that RCC could become viable for early industrial adoption ahead of other electrified routes, and importantly, at present levels of selectivity and voltage, if the stability and scale barriers are resolved. This reframes the technology not as a long-shot requiring scientific breakthroughs but as an engineering problem with a defined solution space.

The target product matters as well. The authors make the case for carbon monoxide, and syngas containing it, as the most practical early product for RCC. Carbon monoxide is a versatile intermediate for Fischer-Tropsch synthesis and other chemical manufacturing routes, and it can be produced from carbonate and amine feeds with relatively high carbon efficiency. Reports of hierarchical and nanoconfined electrode designs that enhance catalyst-CO2 interaction in electrified reactive capture, along with bipolar membrane-integrated cyclic systems that continuously convert flue gas into syngas, indicate that the field is converging on architectures capable of sustained operation. Economically, integrated capture and conversion has been assessed as potentially viable at scale, with carbon-neutral fuels and chemicals from renewable syngas forming an attractive market entry point.

The collaboration between academic electrochemists and industrial scientists is itself significant. The involvement of Shell researchers brings process integration knowledge, solvent handling experience, and a sober assessment of what industrial feedstocks actually contain. Acknowledged support from Shell Global Solutions International B.V., the Canada Research Chairs Program, and Canadian federal research funding signals that both private and public sectors see reactive capture as a candidate for the decarbonized chemical industry of the coming decades. If solvent-tolerant cathodes, electrolysis-compatible capture fluids, and durable high-efficiency bipolar membranes mature in parallel, the authors conclude, RCC could leapfrog more heavily hyped gas-fed routes and deliver fully electrified carbon utilization at the smokestack, converting a liability into feedstock at the point of emission.

Subject of Research: Industrial-scale reactive capture of CO2 and its integration with electrochemical conversion technologies

Article Title: Industrializing reactive capture of CO2

Article References: Xiao, Y. C., Sun, S. S., Miao, R. K., Han, K., Just, P.-E., Corbett, P. J., & Sinton, D. (2026). Industrializing reactive capture of CO2. Nature Energy. https://doi.org/10.1038/s41560-026-02113-7

Image Credits: AI Generated

DOI: 10.1038/s41560-026-02113-7

Keywords: reactive carbon capture, CO2 electrolysis, carbon capture and utilization, bipolar membranes, amine solvents, syngas, electrocatalysis, decarbonization, carbon monoxide, techno-economic analysis, energy transition, Industrializing

The work comes from SUPREN, a research group at EHU that is leading a large-scale European project known as UnLOHCked, focused on the social, environmental and economic assessment of large-scale green hydrogen supply chains in Europe. Victoria Laura Barrio, full professor at EHU and lead researcher of the project, explains that one of the central challenges facing these supply chains is deceptively simple: how to move and store the gas itself. Hydrogen contains a vast amount of energy per kilogram, but as an ultra-light gas it occupies an enormous volume, which makes transporting and storing it both technically awkward and expensive. Solving that logistics problem is widely seen as a prerequisite for building an international hydrogen market.

One of the most promising answers is a family of materials known as liquid organic hydrogen carriers, or LOHCs. These are organic liquids that behave much like conventional oils, into which hydrogen is incorporated through a straightforward chemical reaction. Because the hydrogen is chemically bound within a pumpable liquid, it can be stored and transported using existing oil and gas infrastructure, a fact that could dramatically lower the barriers to international trade. At the destination, the hydrogen is released from the carrier through a reverse process, and the carrier liquid can be returned for reuse. The researchers emphasise the technology’s considerable potential and foresee it playing a key role in the global green hydrogen trade in the near future.

The strategic logic of LOHC-based trade is already shaping national planning. Several countries are developing future strategies for the production, export, import and consumption of hydrogen, and Barrio notes that it would make particular sense to bind hydrogen to the liquid carrier in southern Europe or Africa, where solar energy is highly competitive, or in regions with strong wind energy potential. The hydrogen could then be shipped easily in the form of LOHC, riding on infrastructure originally built for fossil fuels. In this vision, sun-belt and wind-belt exporters become the energy suppliers of a decarbonising world, while industrial importers in northern Europe and East Asia plug into those flows.

To test whether such flows can truly be sustainable, EHU researcher Irene Rey carried out a detailed sustainability assessment of these international supply chains, now published in the Chemical Engineering Journal. The team performed a life cycle assessment of every stage involved in generating green hydrogen, hydrogenating it into the carrier liquid, transporting it by sea to the end consumer, releasing it at its destination and returning the carrier liquid, while excluding the final use and consumption of the hydrogen itself. The analysis contemplated different configurations of producing countries with high renewable potential, including Namibia, Saudi Arabia, Norway and Spain, and consumer countries such as Germany, the Netherlands, Japan and Italy, alongside maritime transport routes and different types of land-based distribution.

The study’s principal innovation lies in what it added to the conventional toolkit. Life cycle assessment and techno-economic analysis are standard instruments for evaluating energy systems, but the researchers also incorporated a social risk analysis of the supply chains, an aspect that has been little studied until now. Because hydrogen production would be located in countries with markedly different social, economic, political and institutional conditions, the production stage shows a high variation in potential social risks. Labour standards, governance quality, human rights conditions and community impacts all vary enormously between candidate exporter nations, meaning that two hydrogen molecules with identical carbon footprints can carry very different social burdens depending on where and how they were made.

The technical results point clearly to where improvement efforts should be concentrated. The researchers found that further work is needed to improve the efficiency of green hydrogen production and of the release of hydrogen from the carrier, since both stages involve high energy consumption and are the most critical links in the supply chain. Electrolysis powered by renewable electricity and the dehydrogenation step at the point of import together determine much of the overall energy penalty, emissions profile and cost of delivered hydrogen. Gains in these two stages would ripple through the entire system, improving every sustainability dimension simultaneously.

Yet the study’s most sobering conclusion is that no configuration emerges as a winner on all fronts. According to Rey, the results show that there is no perfect scenario delivering benefits across the social, environmental and economic dimensions at once. Instead, she argues, a balance should be achieved across the entire supply chain, with priority not given only to economic aspects. Routes that minimise delivered cost may concentrate social risk in vulnerable producer regions, while configurations that maximise environmental performance may struggle to compete commercially. Designing the future trade will therefore require explicit trade-off analysis and policy frameworks that internalise social and environmental performance alongside price.

The stakes of getting this right are considerable. Hydrogen could account for up to 14 percent of global final energy consumption by 2050, with an ever-increasing share traded internationally as new value chains emerge, a shift likely to reconfigure global energy trade much as oil did in the twentieth century. Regions with abundant renewable resources, such as Africa, Latin America, the Middle East and Oceania, are increasingly viewed as potential exporters, while Europe, Japan and South Korea are expected to become key importers. Rey cautions that designers of green hydrogen corridors must do more than simply reduce carbon emissions and production costs; they must also consider the geopolitical and social implications of the flows they create.

Her question cuts to the heart of the energy transition’s equity dilemma: how can a future hydrogen trade be developed without reproducing the resource extraction dynamics in which the Global South supplies raw energy for the benefit of the technological and economic development of the Global North? The EHU study, conducted as part of Rey’s doctoral thesis at the Chemical and Environmental Engineering Department of the Bilbao School of Engineering under the direction of Ion Agirre and Professor Barrio, and carried out in collaboration with the Polytechnic University of Milan, offers a springboard for answering it. By demonstrating that social risk can be quantified and integrated into supply chain design alongside environmental and economic metrics, it provides policymakers and industry with a practical framework for building a hydrogen trade that is not only clean and competitive, but also just.

Subject of Research: Sustainability assessment of international LOHC-based green hydrogen supply chains

Article Title: The design of the future global trade in green hydrogen should also consider social and environmental aspects

Article References: The design of the future global trade in green hydrogen should also consider social and environmental aspects. (n.d.). Original publication

Image Credits: AI Generated

DOI: Not provided

Keywords: green hydrogen, liquid organic hydrogen carriers, LOHC, hydrogen supply chains, life cycle assessment, social risk analysis, energy transition, renewable energy, global hydrogen trade, sustainability, electrolysis, energy policy

The choice of countries is not incidental. The New BRICS grouping spans continents, political systems, resource endowments and stages of development, from hydrocarbon-rich monarchies of the Persian Gulf to densely populated agrarian economies undergoing rapid industrial transformation. What unites them is their weight in the global economy and their outsized role in determining whether international sustainability targets can be met at all. If these eleven economies cannot translate growth into sustainable outcomes, the argument runs, global progress stalls regardless of what happens in the OECD. That makes them an ideal laboratory for testing whether the drivers of sustainability identified in wealthy, institutionally mature countries also hold in contexts marked by weaker institutions, informal labor markets and uneven access to education and health care.

Methodologically, the study is notable for the care with which it handles the statistical quirks of panel data. The authors begin with the PANIC Fourier unit root test developed by Nazlioglu and colleagues, a procedure that allows for smooth structural breaks in the time series—wars, financial crises, pandemics, commodity price shocks—that would otherwise distort tests of statistical properties. Standard unit root tests assume any breaks are abrupt; the Fourier approach approximates gradual, evolving shifts with trigonometric functions, yielding more reliable conclusions about whether variables such as income, energy use or globalization indices are stationary. Establishing the integration properties of each series is a prerequisite for everything that follows, because spurious regression is the perennial hazard of macro-panel work.

With those foundations in place, the researchers turned to the panel cointegration test proposed by Westerlund and Edgerton, which asks whether the variables move together over the long run—whether, in other words, there is a genuine equilibrium relationship linking economic growth, renewable energy consumption, globalization, human development and the Sustainable Development Index, rather than a coincidental correlation. The test confirmed such a long-run relationship across the panel, licensing the next step: estimating the size and sign of each driver’s effect. For that, the authors employed the Augmented Mean Group estimator, a technique that allows each country to have its own slope coefficients while pooling information across the panel, and that remains robust to cross-sectional dependence—the fact that shocks in China or Saudi Arabia ripple into neighboring economies through trade, finance and energy markets.

The headline results are strikingly clear-cut. Human development, typically measured through the Human Development Index combining income, education and life expectancy, carries a statistically significant and positive effect on sustainable development. So does renewable energy consumption: the more of a country’s energy mix comes from renewable sources, the higher its Sustainable Development Index score tends to be. Both findings align with the theoretical expectation that sustainability is built on human capabilities and clean energy rather than on raw output alone. Investments in schooling, public health and productive employment, the results suggest, are not social expenditures competing with sustainability goals—they are among the most direct routes to achieving them.

The globalization result is the study’s most provocative contribution. Across the eleven-country panel, deeper global integration is associated with a statistically significant decline in the Sustainable Development Index. The authors are careful about interpretation: globalization itself is not inherently harmful, but in economies lacking inclusive institutions, resilient economic structures and capability-enhancing policies, integration can generate sustainability vulnerabilities. Export-oriented extractive industries, carbon-intensive manufacturing relocated from regulated economies, volatile capital flows and competition-driven regulatory loosening are among the mechanisms by which opening up can erode environmental and social gains. The finding complicates the long-standing assumption, common in earlier empirical work, that trade openness and financial integration are unambiguously good for development outcomes in emerging markets.

Equally notable is what the study implies about economic growth itself. While growth remains the variable most often celebrated in development policy, the results indicate that growth alone does not reliably deliver sustainability in the New BRICS context. A rising GDP can coexist with deteriorating environmental quality, widening inequality and stagnant human capabilities, particularly when the growth is concentrated in extractive or carbon-intensive sectors. The Sustainable Development Index, by design, penalizes development strategies that achieve human wellbeing at excessive ecological cost, and the panel evidence suggests that many of these economies have yet to decouple wellbeing gains from environmental degradation. The policy implication is a shift of emphasis: from maximizing output to investing deliberately in the human and energy foundations of durable progress.

The renewable energy finding carries particular urgency given the composition of the panel. Several of these countries are among the world’s largest fossil fuel producers and consumers, and several others are only beginning to build renewable capacity at scale. Yet the statistical evidence indicates that every expansion of renewable consumption is associated with measurable sustainability gains, controlling for the other drivers. For oil- and gas-dependent states such as Saudi Arabia, Iran, Russia and the United Arab Emirates, the result underscores the economic case for diversification into solar and other renewables—not merely as a hedge against future demand shifts, but as a present-day contributor to sustainable development outcomes. For India, Indonesia, Egypt and Ethiopia, it strengthens the argument that renewable infrastructure deserves priority in development finance.

The authors frame their conclusions as a call for human-centered and sustainability-oriented development strategies. Rather than relying solely on economic growth, policymakers in emerging economies should prioritize investments in human development, accelerate the renewable energy transition, and build the institutional mechanisms capable of converting global integration from a source of vulnerability into a channel for inclusive, sustainable outcomes. That last point is subtle but important: the study does not recommend retreat from the world economy, which is neither realistic nor necessarily desirable, but rather the domestic prerequisites—education, health, strong regulatory institutions, resilient industrial structures—that determine whether integration helps or harms. Globalization, on this reading, is an amplifier: it magnifies the strengths and the weaknesses of the societies it connects.

For the broader research community, the study demonstrates the value of methods that respect the messiness of real-world macro data—structural breaks, cross-country spillovers, parameter heterogeneity—rather than forcing emerging economies into statistical frameworks calibrated on advanced economies. And for the growing family of BRICS-plus nations, it provides an evidence base for a policy conversation that is already underway, as member states debate green industrial policy, development finance and the governance of energy transitions. The eleven economies studied here will account for a decisive share of global emissions and population in the coming decades. If the study’s central message is right, the fastest route to global sustainability may run not through aggregate growth targets, but through schools, hospitals, and solar farms.

Subject of Research: Drivers of sustainable development in New BRICS economies

Article Title: Human development renewable energy and globalization as drivers of sustainable development in new BRICS economies

Article References: Şahin, S., Özbek, B., & Özbek, S. (2026). Human development renewable energy and globalization as drivers of sustainable development in new BRICS economies. Discover Sustainability. https://doi.org/10.1007/s43621-026-04524-8

Image Credits: AI Generated

DOI: 10.1007/s43621-026-04524-8

Keywords: sustainable development, BRICS, human development index, renewable energy, globalization, economic growth, panel cointegration, Augmented Mean Group estimator, emerging economies, energy transition, Discover Sustainability, development policy

The appeal of TMDs begins with their unusual structure. With the general formula MX2, where M is a transition metal such as molybdenum, tungsten, niobium, or tantalum and X is sulfur, selenium, or tellurium, each monolayer consists of a sheet of metal atoms sandwiched between two sheets of chalcogen atoms. Adjacent layers are held together only by weak van der Waals forces, which means bulk crystals can be peeled into single-atom-thick sheets. This architecture yields enormous surface-area-to-volume ratios, coordinatively unsaturated edge atoms with dangling bonds that serve as natural binding sites for reactive intermediates, and interlayer galleries that can host rapid ion transport. These are precisely the features that electrochemical energy devices demand.

Yet pristine TMDs carry intrinsic handicaps. The thermodynamically stable 2H phase is semiconducting, which limits charge transport; the basal plane is chemically inert and contributes little to catalysis; and narrow interlayer spacing slows ion intercalation. Exfoliated nanosheets also tend to restack during device fabrication, degrading stability and cycling performance. The review’s central message is that these limitations are not dealbreakers but design opportunities, addressable through a toolkit that includes defect engineering, heteroatom doping and alloying, strain engineering, atomic-scale modulation, nanostructure design, interlayer and phase control, and heterostructure fabrication.

Defect engineering has proven especially powerful. Sulfur vacancies in molybdenum disulfide create donor states within the band gap and expose undercoordinated metal atoms that bind hydrogen favorably. One highlighted study used high-throughput density functional theory calculations to identify the optimal vacancy configuration, then developed a hydrogen peroxide chemical etching method to distribute single sulfur vacancies uniformly across MoS2 nanosheets. The resulting catalyst achieved a hydrogen evolution overpotential of just 131 millivolts at 10 milliamperes per square centimeter, with a Tafel slope near 48 millivolts per decade and excellent stability. The authors caution, however, that defects cut both ways: they can also act as scattering centers and trap states that degrade carrier mobility, so passivation of harmful defects must accompany the deliberate introduction of useful ones.

Doping and alloying offer complementary control over electronic structure. When researchers doped MoS2 with zinc using a fusion heat method, X-ray photoelectron spectroscopy revealed binding energy shifts of roughly 0.47 and 0.40 electron volts for the Mo 3d and S 2p levels, indicating increased electron density that accelerates the hydrogen discharge step. Bimetallic strategies push further: cobalt-doped MoS2 works bifunctionally in both acidic and alkaline water splitting, while ruthenium doping wrapped in carbon nanotubes activates the otherwise inert 2H basal plane. Alloying enables continuous band gap tuning, with CVD-grown MoS2(1-x)Se2x films showing more than ten percent band gap modulation and quaternary alloys spanning 1.60 to 2.03 electron volts. Remarkably, doping can even trigger phase transitions, as rhenium concentrations above 40 percent stabilize the metallic 1T-prime phase of MoSe2.

Strain engineering adds another dimension. Because TMD monolayers can withstand more than 20 percent elastic distortion, mechanical deformation directly reshapes their band structure. Computational work predicted that only 0.3 to 3 percent uniaxial tensile strain converts 1H-MoTe2 into the quasi-metallic 1T-prime phase at room temperature, and experiments confirmed strain-induced band gap tuning in MoS2. The most striking results come from combining strain with vacancies: when sulfur vacancies in monolayer 2H-MoS2 were simultaneously strained, gap states shifted toward the Fermi level, yielding near-optimal hydrogen adsorption free energy. The combined system showed a Tafel slope of 60 millivolts per decade versus 98 for pristine MoS2, and the turnover frequency of its molybdenum atoms exceeded even that of conventional edge sites.

Phase engineering targets the most consequential lever of all. The metallic 1T phase of MoS2 conducts electricity roughly ten million times better than the semiconducting 2H phase and is hydrophilic, both critical for electrochemistry. Chemically exfoliated 1T-MoS2 reaches benchmark hydrogen evolution current densities at around 187 to 195 millivolts versus RHE, compared with more than 300 millivolts for the 2H phase, with Tafel slopes dropping from about 110 to the mid-40s. Because 1T is metastable and reverts to 2H near 92 degrees Celsius, researchers have developed stabilization tricks including sulfur intercalation, metal cation insertion, and palladium doping that partially converts the phase and slashes Tafel slopes from 157 to as low as 62 millivolts per decade.

Heterostructures and single-atom catalysts round out the toolkit. Coupling MoS2 with WTe2 creates a low Schottky barrier at the interface that shortens electron transport paths from micrometers to roughly 700 picometers, dramatically improving charge injection. Covalent 0D-2D hybrids of Co9S8 nanoparticles bonded to MoS2 through Co-S-Mo links render molybdenum sites electron-rich and activate the basal plane across all pH values. Meanwhile, isolated nickel atoms anchored on MoS2 nanofibers cut hydrogen evolution overpotentials from 263 to 161 millivolts, and nickel-oxygen sites engineered onto 1T-MoS2 achieved an onset potential near 0 volts with an overpotential of only 46 millivolts in alkaline media. In photocatalysis, single-layer 1T-MoS2 paired with nitrogen-doped graphene produced hydrogen roughly 600 times faster than comparable 2H systems under visible light.

Energy storage results are equally compelling. Vertically aligned metallic MoS2 on graphene delivered initial lithium-ion capacities near 1700 milliampere-hours per gram, while carbon-free metallic nanotube anodes retained the 1T phase for at least 120 days in air. For sodium-ion batteries, freestanding 1T-MoS2 grown on hollow graphene foam sustained stable capacities around 313 milliampere-hours per gram over 200 cycles. Supercapacitors built from restacked 1T-MoS2 films achieved volumetric capacitances of 400 to 650 farads per cubic centimeter, retaining over 93 percent of initial capacitance after 5000 cycles, and water-coupled metallic MoS2 with nanochannels reached 150 farads per gram even without conductive additives. The review concludes that scalable synthesis, long-term phase stability, and clear structure-property correlations remain the key hurdles, and it points to artificial intelligence-assisted materials discovery as the accelerant that could carry these engineered atomically thin catalysts from laboratory demonstrations to industrial deployment.

Subject of Research: Materials engineering strategies for tuning metallic two-dimensional transition metal dichalcogenides for energy conversion and storage

Article Title: Recent advances in tuning the properties of metallic 2D transition-metal dichalcogenides for energy conversion and storage

Article References: Ha, J., Park, G., Kang, G., Kang, J., Bak, H., Lee, D., Lee, H., Cho, K., & Kim, Y. (2026). Recent advances in tuning the properties of metallic 2D transition-metal dichalcogenides for energy conversion and storage. Advances in Industrial and Engineering Chemistry, 2(1), Article 5. https://doi.org/10.1007/s44405-026-00045-0

Image Credits: AI Generated

DOI: 10.1007/s44405-026-00045-0

Keywords: transition metal dichalcogenides, two-dimensional materials, hydrogen evolution reaction, phase engineering, defect engineering, heteroatom doping, strain engineering, heterostructures, lithium-ion batteries, supercapacitors, electrocatalysis, energy storage

The study examines why opposition to solar energy on land is so persistent and why it often breaks along political lines. In many regions, attitudes toward large solar installations have become entangled with broader ideological identities, so that questions about a specific project quickly become questions about values, trust, and belonging. Residents who might otherwise support renewable energy in the abstract can mobilize against a concrete project when they perceive it as an industrial intrusion that displaces farming. This dynamic produces a familiar pattern: national polls show broad public support for renewables, while local permitting hearings become battlegrounds where solar proposals stall or fail.

Agrivoltaics changes this calculus by altering what a solar project is perceived to be. Rather than converting farmland into an industrial site, agrivoltaic projects maintain active agricultural production, pairing photovoltaic arrays with crops such as forage, vegetables, or row crops, or with grazing livestock like sheep. From the perspective of a farming community, this reframing matters enormously. The land remains in agriculture, farmers may receive lease income that stabilizes farm finances, and the visual and symbolic character of the landscape is preserved to a greater degree than under conventional ground-mounted solar. The research indicates that this reframing can reduce the perception that solar development and farming are fundamentally at odds.

Technically, agrivoltaic systems come in several configurations. Elevated or stilt-mounted arrays raise panels several meters above the ground with widened spacing between rows, allowing machinery access and sufficient light for understory crops. Interspersed or widened-row designs modify panel spacing within standard racking, trading some generating capacity for improved light distribution. In pastoral systems, sheep graze beneath conventional or elevated arrays, controlling vegetation while benefiting from shade during hot periods. Each configuration involves trade-offs among electricity yield, crop productivity, construction cost, and operational complexity, and the optimal design depends on climate, crop type, and market context.

The biophysical rationale for co-location rests on microclimate effects. Partial shading from panels can reduce heat stress and evapotranspiration in water-limited environments, sometimes improving crop water-use efficiency. In hot climates, shade-tolerant crops such as leafy greens, forage grasses, and certain vegetables have shown maintained or even enhanced yields under modest shading, alongside reduced irrigation demand. Conversely, crops benefit panels as well: transpiration from vegetation cools the air around the modules, and cooler photovoltaic cells operate more efficiently, since the power output of crystalline silicon panels declines with rising temperature. This bidirectional coupling—panels shaping the crop microclimate and vegetation cooling the panels—is what distinguishes genuine agrivoltaic integration from simple land-sharing on paper.

But the new research shifts attention from these engineering questions to a social and political one: does agrivoltaics change how people feel about solar development in their communities? The findings suggest that it can. Where residents understand a proposed project as an agricultural arrangement rather than a land conversion, opposition weakens, and the partisan framing that often dominates energy debates loses some of its force. The mechanism is straightforward in principle: many political disagreements over energy infrastructure are less about technology than about identity and threat. When a project threatens a community’s agricultural identity, resistance becomes a defense of place and livelihood, and it aligns readily with existing ideological divisions. When the project reinforces that identity by keeping land in production and income in farming families, the threat diminishes and the polarization associated with it declines with it.

This has practical implications for how solar projects are planned and permitted. The research implies that developers and policymakers should treat community engagement not as a public-relations exercise but as a design parameter. Projects that genuinely incorporate local farmers—as leaseholders, operators, or partners—rather than merely compensating them, are more likely to earn durable social acceptance. Transparent benefit-sharing arrangements, long-term agricultural commitments written into project agreements, and demonstration sites where residents can see functioning agrivoltaic systems all help convert abstract proposals into tangible, assessable realities. Permitting frameworks could likewise reward co-location designs, streamlining review for projects that demonstrably maintain agricultural output.

The findings also speak to a broader tension in the energy transition. Decarbonizing electricity systems at the pace climate targets require will demand very large areas of land for solar and wind, and that land is unevenly distributed across politically diverse rural regions. If renewable deployment becomes a partisan identity issue, the transition stalls regardless of economic merit. Tools that de-couple clean energy from ideological conflict—by anchoring it in locally valued practices like farming—are therefore strategically important, not merely aesthetically pleasing. Agrivoltaics, in this view, functions as a form of conflict engineering: a design choice that changes the social meaning of infrastructure.

None of this means agrivoltaics is a frictionless solution. Elevated racking is more expensive than conventional ground-mount systems, and added construction cost must be justified by agricultural revenue, lease terms, or policy incentives such as dual-use tariffs or preferential permitting. Not every crop tolerates shading, and the agronomic performance of many crop-panel combinations remains under active field investigation across climates and seasons. Grid connection, land ownership structures, and interconnection queues present their own constraints that no design choice can eliminate. There is also a risk of symbolic adoption, in which projects are marketed as agrivoltaic while grazing token flocks or planting marginal areas, undermining the trust that genuine dual-use systems can build.

Nevertheless, the central lesson is significant: the social acceptance of solar energy is not fixed, and it can be improved by design. By keeping land in production, keeping farmers on the land, and keeping local communities at the center of project benefits, agrivoltaic systems reduce the perception of loss that fuels opposition, and in doing so they weaken the partisan alignment that has made solar siting an increasingly polarized contest. As governments seek to scale renewable generation rapidly, the study suggests that the cheapest way to unlock land for solar may not be legal reform alone, but a redesign of solar itself—so that the panels arrive not as replacements for agriculture, but as its newest, brightest crop.

Subject of Research: The role of agrivoltaics in reducing political polarization and local opposition to utility-scale solar energy on agricultural land.

Article Title: Agrivoltaics can reduce political polarization and local opposition to solar energy on land

Article References: Agrivoltaics can reduce political polarization and local opposition to solar energy on land. (n.d.). https://doi.org/10.1038/s41467-026-77141-8

Image Credits: AI Generated

DOI: 10.1038/s41467-026-77141-8

Keywords: agrivoltaics, solar energy, political polarization, local opposition, renewable energy, social acceptance, agriculture, land use, energy transition, photovoltaics, rural communities, Nature Communications

Using the Global Resource Evaluation of Abatement Technologies (GREAT) model, the research meticulously quantifies the demand for 40 minerals integral to 17 different low-carbon energy technologies. The findings are both illuminating and alarming—under a moderate mitigation scenario, every pathway analyzed is projected to face shortages of up to twelve critical minerals by the end of the century. These minerals are not just obscure elements but include the likes of indium, tin, cadmium, and tellurium, which are pivotal for technologies such as thin-film photovoltaic cells, wind turbines, and nuclear reactors. More than half of the examined pathways report severe shortages for these metals, underscoring the widespread vulnerability across decarbonization trajectories.

This mineral scarcity is far from a uniform, global challenge. The study reveals stark geographic disparities in the distribution and accessibility of critical resources. Regions such as the Middle East and Africa—already grappling with social and economic fragilities—face the greatest exposure to mineral shortages. In these vulnerable areas, the number of potential mineral scarcities could balloon to 24 by 2100, compounding existing development and equity concerns. This spatial dimension of resource constraint disrupts the ideal narrative of a seamlessly global clean energy transition and spotlights geopolitical and trade tensions that may rise as competition for scarce minerals intensifies.

Particularly problematic are the minerals associated with emerging and scalable renewable energy technologies. Indium and tellurium, essential for thin-film photovoltaic technologies, present critical pinch points. Their scarcity risks slowing photovoltaic scalability just as global demands for solar power soar. Concurrently, tin and cadmium demand, linked with wind and nuclear power infrastructure, may constrain the expansion of these technologies. These findings call into question the adequacy of relying heavily on any single technology and underline the importance of diversified energy portfolios to hedge against resource limitations.

The magnitude of mineral demand is driven by rapid technological deployment scenarios consistent with net-zero goals. Unlike fossil fuel resources, which have long-standing extraction and trade mechanisms, the global supply chains for many of these less abundant minerals remain immature, fragmented, and subject to significant environmental and social impacts. The study’s projections emphasize that future mineral extraction needs could vastly exceed current production levels, pushing beyond sustainable extraction rates and producing new forms of environmental degradation if not carefully managed.

This research also stresses a critical paradigm shift needed in climate mitigation strategies—not only must innovations focus on improving technology efficiency and cost reduction but equally on material efficiency, circularity, and supply chain resilience. Aggressive recycling and material substitution emerge as indispensable tactics. The ability to recover and reuse minerals from end-of-life energy technologies and consumer electronics could significantly alleviate primary extraction pressure, but such efforts require coordinated policy support and technological advancement in recycling processes.

Moreover, global trade cooperation will be foundational in navigating these mineral constraints. Since mineral reserves and processing capacities are unevenly spread, multinational agreements and transparent trade mechanisms could help balance demand and supply, buffering vulnerable regions from excessive economic reliance or geopolitical exploitation. This necessitates a proactive international governance framework to facilitate balanced resource allocation that aligns with climate and development priorities.

Importantly, the study touches on economic growth trajectories as another dimension influencing mineral demand. Moderate gross domestic product (GDP) growth, as opposed to highly ambitious economic expansion scenarios, may help temper the scale of material demand. This insight calls for integrating sustainable economic policies with climate action plans, balancing growth aspirations with planetary boundaries and resource limitations.

The broader implication of these mineral constraints is a humbling reminder that the pathway to decarbonization transcends simple technological fixes. It demands a holistic and strategic approach that integrates energy technology diversification, robust recycling infrastructures, substitution research, sustainable mining practices, geopolitical cooperation, and prudent economic planning. Only through such systemic coordination can the global community mitigate the hidden but profound risks posed by mineral scarcity.

Furthermore, the spotlight on mineral scarcity reframes the long-term sustainability conversation of energy technologies. While renewables promise near-zero emissions during operation, their cradle-to-grave environmental footprint hinges on resource extraction realities. Lifecycle assessments must therefore incorporate these upstream constraints to accurately gauge the true sustainability credentials of low-carbon technologies.

The urgency and magnitude of these findings also highlight critical research gaps, from improving mineral recovery technologies to developing alternative materials with reduced criticality. This creates fertile ground for innovation in materials science and engineering, as well as systemic innovation in resource governance and policy frameworks.

Governments, industry stakeholders, and international institutions must mobilize swiftly to implement integrated strategies that address mineral constraints alongside emission reductions. Investments in domestic and international recycling infrastructure, diversification of energy portfolios to reduce reliance on the most scarce minerals, and fostering global dialogue on resource equity will be crucial steps toward resilient energy transitions.

This study serves as a clarion call for the global climate community. The dream of an affordable and abundant clean energy future risks falling short if mineral bottlenecks are not anticipated and managed with foresight. Strategic planning around material resources must be elevated to the same priority as technological innovation and emissions targets to ensure the decarbonization journey is both climate-effective and socially equitable.

Ultimately, the energy transition is a complex socio-technical challenge that must harmonize environmental goals with the realities of natural resource availability. This research highlights that successful climate mitigation demands an integrated approach that brings together expertise in energy technologies, material science, economics, and geopolitics to navigate the critical crossroads of mineral scarcity and carbon reduction.

Subject of Research: Mineral demand and scarcity risks associated with deploying low-carbon energy technologies in global climate mitigation pathways.

Article Title: Navigating energy transition solutions for climate targets with minerals constraint.

Article References:
Wei, YM., Liu, LC., Kang, JN. et al. Navigating energy transition solutions for climate targets with minerals constraint. Nat. Clim. Chang. 15, 833–841 (2025). https://doi.org/10.1038/s41558-025-02373-3

Image Credits: AI Generated

DOI: https://doi.org/10.1038/s41558-025-02373-3

Isoprene, an organic compound with a high reactivity profile, is emitted into the atmosphere from both natural and anthropogenic sources. Traditionally, most research has concentrated on biogenic emissions and their contributions to SOA formation, thus leaving a substantial knowledge gap regarding the isoprene released during incomplete combustion processes. This study comes as a significant effort to fill that gap, emphasizing the importance of considering combustion-related emissions, especially in context with worsening air quality in many regions around the world.

The research team developed a novel isoprene emission inventory that combines data from both biogenic and combustion sources. By employing a bottom-up approach, they meticulously gathered existing emission factor data corresponding to various fuel sources along with consumption data derived from the GEMS database, which previously operated under the name PKU-fuel. This comprehensive inventory was subsequently integrated into simulations with the Community Multiscale Air Quality (CMAQ) model, allowing for a detailed analysis of seasonal and annual variations in SOA production sourced from isoprene.

Notably, the study depicted a stark reduction in combustion-related isoprene emissions over a sixteen-year span. In 2000, emissions from outdoor biomass burning and residential fuel combustion were calculated at approximately 52.0 gigagrams (Gg), a number that has significantly fallen to around 14.8 Gg by 2016. This decline was predominantly attributed to a transition towards cleaner energy sources, underscoring the demonstrable environmental and health benefits arising from such energy shifts. Dr. Shen highlights the far-reaching implications of this energy transition, pointing out that reducing reactive organic gases like isoprene is instrumental in ameliorating air quality, particularly in underdeveloped regions still reliant on solid fuels.

Despite the lower annual figures in combustion-related isoprene emissions, the data reveals that during cold winter months, these emissions can comprise a striking 32-80% of the total isoprene released in northern and western provinces of China. This statistic underscores the necessity of acknowledging the seasonal variations in emissions, which are crucial for understanding the overall atmospheric chemistry and its effects on human health and the environment.

The findings from this investigation clarify long-standing discrepancies observed in previous atmospheric modeling studies. Historically, wintertime SOA values produced by standard atmospheric models were often lower than what was empirically observed. However, the incorporation of this new emission inventory significantly bolstered simulation accuracy. The researchers demonstrated that the gap between model predictions and real-world observations decreased to within a factor of two—a substantial improvement over earlier discrepancies that reached as high as 66.

Moreover, model simulations performed in this study suggest that combustion-related isoprene is a formidable contributor to the formation of wintertime SOA in northern regions, contributing anywhere from 25-40% of total SOA levels during these colder months. The results reflect the critical role of emissions from fuel combustions, particularly in scenarios where heating demand is high. Such insights mark a vital step forward in atmospheric science, necessitating a reevaluation of emission inventories that traditionally overlooked combustion sources in their assessments.

This research demonstrates the remarkable interconnections between energy transitions and their environmental impacts. As countries strive to lessen their reliance on solid fuels and shift toward cleaner energy alternatives, the effects on overall emissions, particularly in terms of isoprene, become increasingly relevant. The results also suggest that these emission reductions will be consequential in lower SOA levels, with implications for both air quality management and public health strategies aimed at mitigating pollution.

Furthermore, the necessity for future research is paramount. Expanding the focus from regional studies to broader global contexts could enhance the empirical basis for air quality management strategies. The accumulation of more precise and reliable data on isoprene emissions will empower policymakers and environmental scientists to implement effective measures, hopefully leading towards cleaner, healthier atmospheres in populous regions.

In summary, Dr. Shen and Prof. Wang’s research illuminates a critical aspect of atmospheric chemistry that has been historically overshadowed—the significant contributions of combustion-related isoprene emissions to SOA formation. Their work not only fills an important knowledge gap but also paves the way for future investigations into the complex relationships between human activity, atmospheric chemistry, and environmental health. This research serves as a reminder of the integral role that continuing scientific inquiry plays in addressing the pressing challenges of air quality and climate change in the modern era.

Subject of Research: Contributions of combustion-related isoprene emissions to secondary organic aerosol formation
Article Title: Combustion-related isoprene contributes substantially to the formation of wintertime secondary organic aerosols
News Publication Date: October 2023
Web References: DOI: 10.1093/nsr/nwae474
References: National Science Review
Image Credits: ©Science China Press
Keywords: Isoprene, combustion emissions, secondary organic aerosols, air quality, environmental health, atmospheric chemistry, energy transition.