Scientists warn of dramatic climate shift much sooner than expected  MAR 22 2016

A new paper by climate scientists, including ex-NASA scientist James Hansen, warns that our climate could dramatically change within decades, not centuries.

Virtually all climate scientists agree with Dr. Hansen and his co-authors that society is not moving fast enough to reduce emissions of greenhouse gases, posing grave risks. The basic claim of the paper is that by burning fossil fuels at a prodigious pace and pouring heat-trapping gases into the atmosphere, humanity is about to provoke an abrupt climate shift.

Non-linear systems, man. Gradually, then all at once.

Update: Slate's Eric Holthaus has more on the paper and its potential implications.

In addition to the risk of "several meters" of sea level rise this century, which Hansen calls the most important finding, the final version of Hansen's paper gives new emphasis to the possibility that the ocean's heat circulation system may be in the process of shutting down. The circulation shutdown would precede the rapid increase in global sea levels. If the shutdown happens, simultaneous cooling of the waters near Greenland and Antarctica and warming in the tropics and midlatitudes could spawn frequent strong storms on the order of Hurricane Sandy or worse.

If that sounds a lot like the plot of The Day After Tomorrow to you, you're not alone.

Hansen also released a 15-minute video about the paper:

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