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Global climate risk reduced significantly with aggressive emissions reductions

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Posted: 03 Apr 2017 09:33 AM PDT  ScienceDaily article here

Climate scientists have shown the early mitigation needed to limit eventual warming below potentially dangerous levels has a climate ‘payback’ much earlier than previously thought.

Ciavarella and the team discovered that it takes less than 20 years in many regions for the risk of extreme seasonal temperatures (one-in-ten-year extreme heat events) to halve following the start of aggressive emissions reductions.

Andrew Ciavarella added: “We show that the global exposure to climate risk is reduced markedly and rapidly with substantial reductions of greenhouse gas emissions. It had been thought previously that most of the benefits of mitigation would have been hidden by natural climate variability until later in the century.”…

Andrew Ciavarella, Peter Stott, Jason Lowe. Early benefits of mitigation in risk of regional climate extremes. Nature Climate Change, 2017; DOI: 10.1038/nclimate3259

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