Cold comfort: climate may take decades to respond to carbon cuts

Study on impact of Covid-19 lockdowns on temperature suggests next generation may benefit

It seems logical that if we dramatically cut greenhouse gas emissions the global temperature will go down, but sadly this is not the case – at least for decades. The climate takes up to 25 years to react to changes in the composition of the atmosphere, up or down.

Scientists looking to see if they might detect something cheerful as a result of the drop in carbon dioxide or other emissions because of Covid-19, found that the temperature reductions were so small they would not be measurable.

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