Deep divisions remain after high-stakes talks end with agreement to help developing world shift to low-carbon economy

Rich and poor countries concluded a trillion-dollar deal on the climate crisis in the early hours of Sunday morning, after marathon talks and days of bitter recriminations ended in what campaigners said was a “betrayal”.

The developing world will receive at least $1.3tn (£1tn) a year in funds to help them shift to a low-carbon economy and cope with the impacts of extreme weather, by 2035.