It is not too late to avert the potentially catastrophic consequences of going beyond another half a degree of global warming, but only if policymakers dramatically accelerate efforts to cut CO2 emissions, a leading climate scientist said on the publication of a key IPCC report on Monday.
Average temperatures have already risen almost one degree Celcius since pre-industrial times, and crossing the 1.5-degree threshold would put the planet “clearly in the red zone” in terms of impacts such as extreme weather, biodiversity loss and coastal flooding, said Jean-Pascal van Ypersele, former vice-chair of the Intergovernmental Panel on Climate Change.
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