EnvironmentWhy 1.5°C failed and setting a new limit would make things worse Setting a limit for global warming didn't succeed in galvanising climate action quickly enough – now we should focus on making the annual average temperature rise clear for all to see, says Bill McGuire Comment
EnvironmentStartling images win water photography competition From a powerful horse to South Korea's sea women, these are some of the winners of the Walk of Water photography awards Regulars