0:00
30:48
Hundreds of climate experts expect global temperatures to rise to at least 2.5C (4.5F) above preindustrial levels by 2100. Damian Carrington reports. Help support our independent journalism at theguardian.com/infocus
More episodes from "Today in Focus"
Don't miss an episode of “Today in Focus” and subscribe to it in the GetPodcast app.