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A new study and a new book both argue that the worst-case scenario for global warming would literally render the planet uninhabitable.

The book is entitled “The Uninhabitable Earth: Life After Warming” and is written by New York Magazine editor David Wallace-Wells; it is an expansion of his controversial viral article published in July 2017 with the same title. As of Feb. 26, it is number 11 on the Amazon best-seller list — a rarity for any climate book, but perhaps another sign of the growing interest in strong climate action.

The book, published just last week, makes the case that without dramatic climate action, we are headed for catastrophic warming of 7°F (4°C) above pre-industrial temperatures by 2100 — a world of ever-worsening megadroughts and endless food shortages.

But, as Wallace-Wells warns, even the unlikely worst-case warming scenario of 14.4°F (8°C) is possible if we keep on a path of high carbon dioxide (CO2) emissions — and if the climate response is at the high end […]

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