Scientists say Ocasio-Cortez's dire climate warning is spot on

[G_j]

https://thinkprogress.org/scientists-defend-ocasio-cortez-12-year-ipcc-science-climate-warning-9daee90fae7b/

Back in October, the nations of the world unanimously approved a landmark report from scientists warning that we must make sharp reductions in global carbon dioxide emissions by 2030 to have any plausible chance of averting catastrophic climate change.

This report — published by the U.N. Intergovernmental Panel on Climate Change (IPCC) — led to headlines like “We have 12 years to limit climate change catastrophe, warns UN” by The Guardian, and “The world has just over a decade to get climate change under control, U.N. scientists say” from the Washington Post.

So, ThinkProgress contacted leading experts on exactly what the science says. They confirmed that, yes, as Ocasio-Cortez says, we must act swiftly if we’re to maintain any plausible hope that we can avoid the catastrophic impacts that come with warming of 2°C or more above pre-industrial temperatures.

“Projected impacts look especially bad beyond 2°C or so of planetary warming,” leading climate expert Michael Mann told ThinkProgress. “And there is no scenario for stabilizing warming below 2°C that doesn’t require rapid reductions in carbon emissions over the next decade.”

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[guillaumeb]

1. The term "existential crisis" is overused, but not here.

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