EarthDon't drop the two-degree climate target The global climate target of 2 °C has been criticised as scientifically and politically meaningless, but we ditch it at our peril, says Alice Bows-LarkinComment
LifeOverheated koalas show tree-hugging is cool, man Australia's cuddliest marsupials spend most of their time clinging to tree branches, but it's not because they're lazy: it helps them cope with the heat News