Shock at 2.4C 'reality check' prompts dismay at Cop26

Climate projection based on analysis of nationally determined contributions creates push for annual emission cut pledgesThe projection by Climate Action Tracker (CAT) that global heating would soar to 2.4C, based on analysis of countries' 2030 greenhouse gas emissions targets, caused widespread dismay at the Cop26 climate talks in Glasgow.Optimistic estimates published last week that temperatures could be held to 1.8C were known to be based on untested assumptions about long-term promises, and many countries and activists treated them warily as a result, but the "reality check" from the CAT analysis of nationally determined contributions (NDCs) for the next decade came as a shock nonetheless. Continue reading...