This is the first time in human history our planet's atmosphere has had more than 415ppm CO2.
Not just in recorded history, not just since the invention of agriculture 10,000 years ago. Since before modern humans existed millions of years ago.
We don't know a planet like this. https://twitter.com/Keeling_curve/status/1127614826081964038
@stevenroose Reducing the concentration CO2 in the atmosphere can only be achieved if we as humans are able break the 'growth gospel'. Unfortunately that won't happen any time soon.
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