Rich nations’ climate targets will mean global heating of 2.4C – study

6th May, 2021

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A power plant and traffic in New York. The figures give an idea both of the importance of the contribution by the US – the world’s second biggest emitter – and other rich nations in setting fresh emissions targets. Photograph: Justin Lane/EPA


New climate targets announced by the US and other rich nations in recent weeks have put the world on track for global heating of about 2.4C by – the end of the century, research has found. That is a 0.2C improvement on the previous forecast of 2.6C, but still substantially above the Paris goal of holding temperature rises to no more than 2C above pre-industrial levels, with an aspiration to limit heating to 1.5C.

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