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It happened again. CO2 hit a new record, 403.3 ppm, a level almost a hundred times higher than the level from the last great warming at the end of the last Ice Age. It is also a level that hasn’t been exceeded in over 800,000 years. The last time this level was reached was four million years ago when the temperatures were 3.6F to 5.4F higher, and sea levels were 33 feet to 66 feet higher than today. The other worrying trend, as if that wasn’t bad enough, is that methane growth is also increasing. One consequence of a warming planet may be to release more methane as permafrost and hydrates produce more greenhouse gases. We can control much of the CO2 production by limiting pollution, but the methane production may be out of our control.

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2 thoughts on “Carbon Dioxide Sets Record Again

  1. Pingback: Ice Sheet Instabilities Grow | Pretending Not To Panic

  2. Pingback: Data That Matters November 2017 | Pretending Not To Panic

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