A Nature Research Journal
As the United States, China and the United Arab Emirates head to Mars, they must all commit to sharing what they find.
Carbon dioxide removal is becoming a serious proposition. But it is not a substitute for aggressive action to cut emissions.
The social and economic impacts of COVID-19 fall harder on women than on men. Governments need to gather data and target policy to keep all citizens equally safe, sheltered and secure.
Those who could be exploited by AI should be shaping its projects.
COVID-19 is exposing the fragility of the goals adopted by the United Nations — two-thirds are now unlikely to be met.
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