Carbon Dioxide Levels Just Hit Their Highest Point In 800,000 Years: 402 ppm.
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See on Scoop.it – Oven Fresh
The concentration of carbon dioxide, the greenhouse gas that drives climate change, hit a level unseen in human history this week.
rajendrashende‘s insight:
Some say such levels were observed 15 million years ago. In any case, it is unprecedented in human history.
See on thinkprogress.org
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