350 ppm

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Carbon emissions are choking our atmosphere — and we just hit a terrifying milestone

Sadly, the South Pole’s CO2 just hit 400 parts per million (ppm), according to the National Oceanic and Atmospheric Administration. This is the first time the region has reached a concentration over 400 ppm in 4 million years. 350 ppm is regarded as the safe level of carbon dioxide in the atmosphere. But wait it gets worse, there’s even more devastating news.

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