EnvironmentWhy we urgently need to talk about geoengineering The idea that we might attempt large-scale experiments to cool the planet is horrifying to some, but it looks increasingly likely that we will have to do so this century Leader
EnvironmentThe Australia-Tuvalu climate migration treaty is a drop in the ocean Australia has offered a lifeline to the people of Tuvalu, whose island is threatened by rising sea levels. But the deal comes with strings attached – and there will be millions more climate migrants in need of refuge by 2050 Leader