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If the US were to implement power and transport policies consistent with a 2 °C scenario, it could prevent hundreds of thousands of premature deaths each year and be worth billions of dollars to the US economy.
Meta-analysis shows people’s views on climate change have only a small impact on their tendencies to act in climate-friendly ways. These views are affected more by ideology and political orientation than education, sex and experience of extreme weather.
Release of carbon previously locked in permafrost is a potentially important positive climate feedback. Now metagenomics reveal the vulnerability of active-layer soil carbon to warming-induced microbial decomposition in Alaskan tundra.
The degree of spatial synchrony of many North American wintering bird species has increased over the past 50 years. This may affect ecological resilience by decreasing the potential for demographic rescue from interacting subpopulations.
The Paris Agreement contains an ambition to limit global warming to no more than 1.5 °C above pre-industrial levels, changing the context for policy-relevant research and extending a challenge to the IPCC and researchers.
An ensemble of climate model simulations, as well as hydrological modelling and flood risk mapping, are used to show the role of anthropogenic warming on the extreme rainfall that caused the 2013/14 floods in southern England.
Human activities have shifted the Earth away from energy balance. As a result, the climate is changing, with the ocean playing a major role in heat absorption.
Implementation of policies to reduce forest loss challenges the Earth observation community to improve forest monitoring. An important avenue for progress is the use of new satellite missions and the combining of optical and synthetic aperture radar sensor data.