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Warming oceans hit the battlefield
Nature Climate Change, Published online: 15 October 2026; doi:10.1038/s41558-026-02782-y Marine radar signal propagation is highly sensitive to fine-scale vertical changes in water vapour. Now research shows that long-term increases in sea surface temperatures are strengthening the frequency and intensity of the features that allow radar signals to travel further than expected.
Prioritizing demand-side use of clean hydrogen for cost-effective mitigation
Nature Climate Change, Published online: 15 October 2026; doi:10.1038/s41558-026-02763-1 Clean hydrogen is widely proposed for hard-to-abate sector decarbonization, but its limited supply requires prioritizing sectors with the highest value. This study evaluates ten sectors and identifies key no-regret uses, while highlighting the need for specific demand-side policies.
Combining climate policy instruments for a just transition to a climate-neutral economy
Nature Climate Change, Published online: 15 October 2026; doi:10.1038/s41558-026-02757-z A distributional analysis of European Union climate policy pathways traces the costs of reducing carbon dioxide emissions to the level of households based on their spending and income patterns. We find that different equity considerations, including income inequality and within-group impact divergence, can shape optimal climate policy design with carbon prices, transfers, standards and subsidies.
High wind speed reduces water use efficiency across terrestrial ecosystems
Nature Climate Change, Published online: 15 October 2026; doi:10.1038/s41558-026-02781-z The role of wind in ecosystem water use efficiency remains unclear. The authors show that water use efficiency declines with increasing wind speed, driven mainly by increases in evapotranspiration and secondarily by reductions in gross primary productivity.
Warming-driven lower-tropospheric stratification intensifies ducting over global oceans
Nature Climate Change, Published online: 15 October 2026; doi:10.1038/s41558-026-02774-y Atmospheric ducts are waveguides that affect electromagnetic propagation in the atmosphere, affecting radar and other technologies. Here the authors show that warming intensifies such ducting over mid- to low-latitude oceans.
Species hybridization belongs on the climate change agenda
Nature Climate Change, Published online: 14 October 2026; doi:10.1038/s41558-026-02780-0 Species hybridization belongs on the climate change agenda
The ambitions and limitations of climate assemblies
Nature Climate Change, Published online: 14 October 2026; doi:10.1038/s41558-026-02764-0 Climate citizens’ assemblies are gaining traction worldwide as a way to involve the public in climate governance. Now a study demonstrates that although these assemblies propose more ambitious recommendations than existing climate policy, these recommendations vary across contexts and have limited impact on policy decisions.
Strengthening Rio Convention implementation architecture through reciprocal learning
Nature Climate Change, Published online: 14 October 2026; doi:10.1038/s41558-026-02777-9 As the Rio Conventions mature from negotiating commitments towards delivering them, strengthening implementation has become an urgent priority. We argue for greater cross-convention learning within the context of institutional architecture to accelerate progress on climate, biodiversity and land degradation.
Enhancing fairness in climate action through policy packages
Nature Climate Change, Published online: 13 October 2026; doi:10.1038/s41558-026-02751-5 Achieving climate neutrality requires policies perceived as fair, with equity both between and within income groups. Here researchers evaluate the equity implications of different European Union climate policy packages and show how a mixed policy design can balance trade-offs between two equity dimensions.
Selecting climate solutions creates new institutional authority
Nature Climate Change, Published online: 12 October 2026; doi:10.1038/s41558-026-02771-1 Selecting climate solutions creates new institutional authority
Topographic variation shapes organismal responses across mountain landscapes
Nature Climate Change, Published online: 09 October 2026; doi:10.1038/s41558-026-02773-z The authors developed simulations to examine the role of topographic variation in mediating species response to climate change. They show that topographic variation can reduce energy expenditure by up to 20.8% and increase buffering benefits of elevation shifts by 82.1% for a diurnal ectotherm.
Making sense of loss and damage at the national level
Nature Climate Change, Published online: 07 October 2026; doi:10.1038/s41558-026-02768-w Climate change is already causing widespread losses and damages, and these impacts will intensify as human and natural systems exceed their capacity to adapt. Recent research allows us to understand if and how countries are prioritizing this issue in national policies.
Governments must reconcile dissonant climate assessment approaches
Nature Climate Change, Published online: 29 September 2026; doi:10.1038/s41558-026-02736-4 Security analysts and government economists increasingly present policymakers with different pictures of the same climate and nature risk. We argue that governments need a shared way to weigh these assessments, particularly given that under-preparing for a severe, irreversible outcome costs far more than over-preparing.
Generative artifical intelligence for climate dialogue justice
Nature Climate Change, Published online: 25 September 2026; doi:10.1038/s41558-026-02759-x Climate action requires inclusive dialogue among diverse stakeholders to help inform decision-making for governance and planning. We examine how generative artificial intelligence (GenAI) could broaden participation and support synthesis across regions, disciplines and participants, while underscoring the importance of human authority to safeguard AI.
Public support for novel carbon removal hinges on procedural and distributive fairness
Nature Climate Change, Published online: 24 September 2026; doi:10.1038/s41558-026-02741-7 Public support is crucial for carbon removal deployment, yet the role of fairness remains unclear. Using surveys from six countries (N = 10,852), this study shows that procedural and distributive fairness are key determinants of support for carbon removal projects across diverse contexts.
Carbon removal projects need to get justice right
Nature Climate Change, Published online: 24 September 2026; doi:10.1038/s41558-026-02739-1 Public support for carbon removal grows when people get a say and a share in the benefits, across diverse sociopolitical contexts. No amount of carbon removed can substitute for fair process and fair outcomes. Fairness must be designed into carbon removal governance from the start.
Earlier and faster heatwave onset on land under a warming climate
Nature Climate Change, Published online: 23 September 2026; doi:10.1038/s41558-026-02762-2 Heatwaves are expected to become more frequent and intense with global warming. Here the authors assess changes in their timing, finding that the heatwave season expands and that many regions see a faster onset of heatwaves.
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