EnvironmentHow teabags became a secret weapon in the fight against climate changeClimate change could release a torrent of carbon from the Arctic tundra into a warming world. To gauge the threat, ecologists have recruited the humble teabagFeatures
EnvironmentA warm-water time bomb could spell disaster for Arctic sea ice If a rapidly-heating layer of water building up under the Arctic wells up to the surface, it may melt all remaining seasonal sea ice in the area News