Wildfires: firefighters watch plumes of smoke from wind-driven fires that closed Highway 89 temporarily near the town of Greenville, California Photo: REUTERS

'Code red for humanity': UN climate report sounds dire warning

Landmark study warns global warming of 1.5C to 2C will be exceeded before the end of the century unless deep cuts in CO2 and other greenhouse gas emissions are made

9 August 2021 9:08 GMT Updated  12 August 2021 15:01 GMT