Explainer-What’s the difference between 1.5°C and 2°C of global warming?

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By Kate Abnett GLASGOW (Reuters) – Over and over at the U.N. climate summit in Glasgow, world leaders have stressed the need to limit global warming to 1.5 degrees Celsius. The 2015 Paris Agreement commits countries to limit the global average temperature rise to well below 2°C above pre-industrial levels, and to aim for 1.5°C. Scientists have said crossing the 1.5°C threshold risks unleashing far more severe climate change effects on people, wildlife and ecosystems. Preventing it requires almost halving global CO2 emissions by 2030 from 2010 levels and cutting them to net-zero by 2050 — an a…

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