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Climate sensitivity study suggests narrower range of potential outcomes

Findings should not be seen as taking pressure off need to tackle climate change, authors warn

Earth’s surface will almost certainly not warm up four or five degrees Celsius by 2100, according to a study which, if correct, voids worst-case UN climate change predictions.

A revised calculation of how greenhouse gases drive up the planet’s temperature reduces the range of possible end-of-century outcomes by more than half, researchers said in the report, published in the journal Nature.

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