> highly enriched 400 parts per million, against a baseline of 300 part per million I.e. moving from 78.089% Nitrogen, 20.947% Oxygen, 0.031% CO2 to 78.084% Nitrogen, 20.946% Oxygen, 0.041% CO2 does not strike me as deserving of the phrase "highly enriched".https://twitter.com/toad_spotted/status/1220912863612678145 …
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2/ Meh. See the table at the bottom of page 807. Atmospheric CO2 is 400 ppm. "green" scenario where people perform best is 700pm. "bad" scenario where people perform slightly worse is 1400 pm. If atmospheric CO2 rises for 300 yrs we hit 1st scenario. https://twitter.com/clockworkwhale/status/1220914975645896704?s=19 …
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