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Online image search results depict climate change differently across the world. Countries with high (versus low) levels of climate concern encounter more emotional images, creating a difference that can change how people think and feel about climate change.
Boreal fires are expected to increase with warming, but how the aerosols emitted in these fires affect the climate is not well understood. Here the authors show that this increase in boreal fire aerosols results in a positive radiative forcing, leading to additional Arctic warming.
The influence of internet search algorithms on users’ beliefs and behaviours remains understudied. This study finds that nationwide climate concern predicted the emotional content of Google Image Search outputs, which subsequently influenced users’ climate concern and support for climate policy.
Abrupt transitions in the climate system are discussed mostly in terms of mean state changes. Here, the authors use simulations to show that a decline in Arctic sea ice can lead to a new multidecadal mode of surface temperatures in the Arctic Ocean.
Ocean alkalinity enhancement is a commonly touted method for marine carbon dioxide removal but many questions remain, including its capacity for large-scale carbon removal. Computer models have now been used to map the timescales and efficiency of carbon removal at global scale, revealing important regional differences.
Ocean alkalinity enhancement (OAE) is seen as a promising method for CO2 removal as it alters the surface carbon equilibrium, driving the transfer of CO2 into the ocean. Here the authors computationally map the spatiotemporal efficiency of OAE to identify locations and timing for optimal OAE deployment.
In this Perspective, the authors discuss the current status of ecological forecasting research, its role in helping to address the climate and biodiversity crises facing society and potential future directions, with a central focus on how to scale up ecological forecasting capabilities.
Aspirations for a just society can motivate individuals to engage in climate action; however, public awareness of climate justice remains low, and the extent of injustice within the climate crisis is often underestimated.
As attribution studies evolve in complexity and become more present in public discourse, care is needed to ensure that the associated uncertainties and relevant contexts remain clear.
An in-depth examination of the factors driving rising greenhouse gas emissions in the production of wheat, maize and rice uncovers trends that conflict with the objective of reducing emissions while simultaneously boosting production.
The authors provide a global, cradle-to-gate quantification of the changes in the global warming potential and sustainability index of conventional agriculture from 1961 to the 2020s. They show an eightfold global warming potential increase and threefold decrease in sustainability index, largely due to tillage, fertilizer use and irrigation.
Climate change is exacerbating the severity of drought for life on land, especially for drying-sensitive species such as anurans (frogs and toads). Evaporative water loss rates for anurans are expected to double in areas with increased aridity. Increased drought severity combined with climate warming will likely reduce activity time for anurans owing to physiological limits.
Before the 12th Session of the World Urban Forum (WUF12), Nature Climate Change spoke to experts across the world to discuss how cities can and should cope with the intensifying climate crisis in the coming decades.
The authors use multidecadal, high-resolution data to investigate the spatial variability of vegetation greening in European mountains. They show that changes in snow cover duration play a more significant role than rising air temperatures alone in driving greening patterns.
Older adults are more likely to have health conditions that increase their vulnerability to climate stressors. This Review introduces a framework to conceptualize how biophysical, socio-demographic, cultural and contextual factors intersect with climate stressors to impact the health of older adults.
