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Multiple climate-related coastal hazards could impact people, infrastructure and ecosystems, yet previous works often focused on flooding only. By analysing the future exposure to four types of hazard along the US Southeast Atlantic coast, this research emphasizes the risks beyond flooding.
Wildfires are raging around the globe with increasing intensity and frequency, transforming ecosystems and affecting the climate of regions far beyond. Now, a study shows that boreal forest fires are amplifying Arctic warming due to increased local solar absorption from biomass burning aerosols.
A novel type of climate oscillation might emerge in the Arctic Ocean owing to sea-ice melting. The air–sea coupling feedbacks occurring in the ice-free Arctic Ocean would trigger periodic warm–cold temperature oscillations, similar to El Niño and La Niña in the tropical Pacific Ocean.
Climate change poses a substantial threat to global health by altering environmental conditions and impacting vaccine effectiveness. We explore how climate change impacts vaccines and worsens inequities, highlighting the need for further research and targeted interventions.
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.
