British naturalist David Attenborough warned on Tuesday that climate change is the biggest security threat that modern humans have ever faced, telling the U.N. Security Council: "I don't envy you the responsibility that this places on all of you."
U.S. President Joe Biden's administration next week will release more policies it believes are needed to tackle climate change and is urging China to toughen one of its targets on greenhouse gas emissions, his top climate advisers have said.
The European Union should change the way it hands out free pollution permits in the bloc's carbon market, which is failing to bring about deep cuts in emissions.
