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When Will the Planet Be Too Hot For Humans? Much, Much Sooner Than You Imagine.

“Until recently, permafrost was not a major concern of climate scientists, because, as the name suggests, it was soil that stayed permanently frozen. But Arctic permafrost contains 1.8 trillion tons of carbon, more than twice as much as is currently suspended in the Earth’s atmosphere. When it thaws and is released, that carbon may evaporate as methane, which is 34 times as powerful a greenhouse-gas warming blanket as carbon dioxide when judged on the timescale of a century; when judged on the timescale of two decades, it is 86 times as powerful. In other words, we have, trapped in Arctic permafrost, twice as much carbon as is currently wrecking the atmosphere of the planet, all of it scheduled to be released at a date that keeps getting moved up, partially in the form of a gas that multiplies its warming power 86 times over.”

When Will the Planet Be Too Hot For Humans? Much, Much Sooner Than You Imagine.
https://nymag.com/daily/intelligencer/2017/07/climate-change-earth-too-hot-for-humans.html
via Instapaper

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