‘A deeply troubling discovery’: Earth may have already passed the crucial 1.5°C warming limit

‘A deeply troubling discovery’: Earth may have already passed the crucial 1.5°C warming limit

By Malcolm McCulloch, The University of Western Australia Global temperatures have already exceeded 1.5°C warming and may pass 2°C later this decade, according to a world-first study I led. The worrying findings, based on temperature records contained in sea sponge skeletons, suggest global climate change has progressed much further than previously thought. Human-caused greenhouse gas emissions drive global warming. Obtaining accurate information about the extent of the warming […]

February 6, 2024 22

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.

November 21, 2023 4