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Boreal–Arctic wetlands are vulnerable to climate change. Writing in this issue, Yuan and colleagues analysed two decades (2002–2021) of methane emissions from this region and show a robust increasing trend, with strong inter-annual variation. This analysis used eddy covariance and chamber observations, and highlights substantial impacts of warming and vegetation activity.
The impacts of climate change on food production will affect us all. It is important that research and funding are available to minimize these effects and support the most vulnerable.
Local governments need extensive funding to realize transformative climate ambitions and this raises the spectre of privileging outside interests over just transitions. Now, research unearths how such private financial interests shape city climate actions in ways both broader, and potentially more brittle, than previously understood.
Methane concentrations are rising faster than ever in the atmosphere. Now, a compilation of observations points towards increased methane emissions from Arctic wetlands as being partly responsible.
In a changing climate, tree trunks serve as crucial refuges for animals, particularly ectotherms, seeking to escape extreme climatic conditions. Therefore, while climate change could generally promote population growth among ectotherms, deforestation could reverse these positive effects in some populations or exacerbate the negative impacts of climate change in others.
Children’s education outcomes are vulnerable to the effects of climate change. This Review examines the impact of various climate stressors on children’s educations, develops a framework to understand these risks, and discusses methodological challenges and directions for future research.
River water quality affects water security and is expected to degrade under climate change—an issue that has garnered limited attention. Here the authors review the impacts of climate change and climate extremes on water quality, highlighting the pivotal role of land–river connectivity.
International trade of used vehicles lacks regulation on emissions standards. This study shows that vehicles exported from Great Britain generate substantially higher carbon and pollution emissions than scrapped or on-road vehicles.
The authors conduct a systematic literature review on renewable energy expansion and biodiversity. Comparing renewable energy siting maps with the ranges of two threatened species under future climates, they highlight the potential conflict and need for consideration of climate-change-driven range shifts.
City fiscal and budgetary decisions play an essential role in the success of urban climate action. Using US cities as a case study, this Article reveals the interrelationship between urban climate finance, action and justice, as well as promising pathways to transform municipal finance practices.
Global support and cooperation are necessary for successful climate action. Large-scale representative survey results show that most of the population around the world is willing to support climate action, while a perception gap exists regarding other citizens’ intention to act.
How the climate system reacts to stabilized or decreasing CO2 concentrations is not yet well understood. Here, the authors show that deep ocean warming and its slower heat release lead to unique patterns of ocean surface warming and precipitation.
Building additional water infrastructure such as wells is a key strategy to mitigate the impacts of severe droughts, particularly in drylands. This study shows, however, that this infrastructure can lead to loss of resilience under climate change due to erosion of traditional practices.
Carbon sequestration in mangroves has been proposed as a mitigation strategy for climate change, yet the benefits of carbon burial may be offset by methane emissions. This study shows that methane offsets are small in saline and tropical mangroves, leading to greater net carbon sequestration.
Whether methane emissions from the Boreal–Arctic region are increasing under climate change is unclear, but critical for determining climate feedbacks. This study uses observations and machine learning to show an increase in wetland methane emissions over the past two decades, with inter-annual variation.
The authors develop a biophysical model to understand the impacts of tree loss and climate change on the activity patterns and population trends of a diurnal ectotherm (lizard). They show that deforestation can reverse the positive effects of climate change and even accelerate population declines.