'Too early' to assess accomplishments of Cop26, warn experts

Former US president Barack Obama delivers a speech to delegates during the Cop26 summit at the Scottish Event Campus in Glasgow on Monday. Picture: Jane Barlow/PA Wire

It is too early to declare the United Nations (UN) climate change Cop26 summit a failure; there have already been real signs of progress, according to one of the world's foremost climate scientists.

Professor Michael E Mann, a climatologist, geophysicist and director of the Earth System Science Center at Pennsylvania State University, called for perspective, tweeting that negotiations at Cop26 are barely under way.