It is “almost inevitable” that the world will cross the crucial 1.5C warming threshold, at least temporarily, the head of the UN’s climate expert group warned Monday.
“It is now almost inevitable that 1.5C of global warming will be exceeded in the near term, and this is unambiguously due to insufficient climate action over the last few years and the consequent continued increase in greenhouse gas emissions,” Jim Skea, who leads the Intergovernmental Panel on Climate Change (IPCC), said in a video message to the UN’s COP30 conference in Belem, Brazil.
He said returning warming to below 1.5C since pre-industrial times “may still be possible,” but will require immediate, deep and sustained reductions in planet-heating emissions, as well as removing carbon dioxide from the atmosphere, which is not yet proven at scale.
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