US-China deal on emissions welcomed by global figures and climate experts

UN and EU say the agreement could help pave the way to wider breakthrough, though concerns remain over patchy details'

An unexpected agreement between the US and China to work together on cutting emissions has been broadly welcomed by leaders and climate experts.

The world's two biggest emitters appeared to put aside their differences at the Cop26 climate summit and on Wednesday unveiled a joint declaration that would see close cooperation on emissions cuts that scientists say are needed in the next 10 years to stay within 1.5C.