The world’s scientists sound a final alarm on climate

We have about 12 years left. That’s the clear message from a monumental study from the Intergovernmental Panel on Climate Change (IPCC). To avoid some of the most devastating impacts of climate change, the world must slash carbon emissions by 45% by 2030, and completely decarbonize by 2050 (while, in the meantime, emissions are still rising).

The IPCC looked at the difference between the world “only” warming two degrees Celsius (3.8°F) — the agreed upon goal at global climate summits in Copenhagen and Paris — or holding warming to just 1.5 degrees. Even the latter, they say, will require a monumental effort “unprecedented in terms of scale.” We face serious problems either way, but every half degree matters a great deal in human, planetary, and economic losses.

Bron: Harvard Business Review - 27 december 2018

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