Keeping the global average temperature rise (since pre-industrial times) below 1.5C is widely regarded as critical if we are to sidestep dangerous, all-pervasive climate change. This idea of a 1.5C temperature threshold is in the news again because just-published research has revealed that several catastrophic climate tipping points are in danger of being crossed at around this level of warming...
Why we should forget about the 1.5C global heating target
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