This year will be the 30th UN climate summit – known as the conference of the parties (Cop) – and it is being held in Brazil. Every climate summit is crucial but Cop30 is taking place during extremely challenging times.
The US has pulled out of the Paris agreement, under which the world’s countries agreed to hold global temperature rises to “well below” 2C above preindustrial levels while “pursuing efforts” to limit heating to 1.5C.