Thread by @Peters_Glen

"A 3C world will have catastrophic impacts for some, the loss of islands, corals, Arctic sea ice, some land glaciers, & not to mention changes in extreme weather. This is a world we want to avoid."

mashable.com/article/climat…

Based on nature.com/articles/d4158…

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"The fact we are heading for 3C, despite virtually no climate policies, should give us some hope that we might be able to quickly move to a pathway towards 1.5 or 2C"

"I think of the 3C story as a more optimistic one, that our chances of under 2C are better than thought"

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Overstating the likelihood of extreme climate impacts can make mitigation seem harder than it actually is. This could lead to defeatism, because the problem is perceived as being out of control and unsolvable.
nature.com/articles/d4158…

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We might be on the 3C train, but 2C is currently ... out of reach.

Even if the four biggest carbon-emitters — the U.S., China, the EU, and India — succeeded in dramatically cutting emissions ... the rest of the world would need to radically cut their carbon emissions

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"For scientists, we need to look at the extremes. But all policy doesn’t need to be based on a worst-case scenario," said Sarah Green, an environmental chemist at Michigan Technological University

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Good article by @SkepticalRanger @mashable
mashable.com/article/climat…

For some context on tweet 4 see
mashable.com/article/paris-…
cicero.oslo.no/no/posts/cicer…
agupubs.onlinelibrary.wiley.com/doi/10.1029/20…

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