Depletion of the ozone layer, ­ the shield that protects life on Earth from harmful levels of ultraviolet radiation, ­is at an unprecedented  level over large parts of the Arctic this spring....

The Argentine research base, Esperanza, on the northern tip of the Antarctic peninsula, set a new record temperature of 18.3°C on 6 February, beating the former record of 17.5°C on 24 March...

Sea level rise is set to challenge human civilization for centuries to come, even if internationally agreed climate goals are met and planet-warming emissions are then immediately eliminated, researchers have found.The lag...