insert_link Environment UN warns of 3°C global heating, urges climate action The UN Emissions Gap Report warns of a possible three-degree-Celsius global heating by the century's end, citing insufficient current carbon-cutting policies. Released ahead of Cop-28, it stresses the need for intensified climate action to avoid surpassing pre-industrial warming levels. UN Secretary-General António Guterres is hopeful for the 1.5°C limit but stresses the risk of irreversible critical points without urgent action. todayNovember 21, 2023 4