EnvironmentRefreezing the Arctic: How to bring the ice back with geoengineeringThe Arctic is heating up faster than anywhere else on Earth and the only way to save the ice may be to intervene directly. We look at the three ambitious projects that aim to do just thatFeatures
EnvironmentUN warns most plans for limiting climate change would wreck the planet Almost every plan for limiting warming to 2°C or less relies heavily on bioenergy, but the latest UN report says we don’t have enough land to spare News