May 14, 2019

Update

Meanwhile, the concentration of carbon dioxide in the atmosphere eclipsed 415 parts per million for the first time in human history.

msn.com

Eleven years ago the hope was to keep the CO2 level in Earth's atmosphere under 350 parts per million to avoid the foreseeable catastrophic consequences of permitting any greater concentration. Eleven years on and we are farther away from that goal than we have ever been in what passes for history among the humans.

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