Planet Breaches 410 ppm for First Time in Human History

The Extinction Chronicles

First look at new NASA satellite map reveals global carbon dioxide hotspots. NASA
By Lauren McCauley

The amount of carbon in the Earth’s atmosphere is now officially off the charts as the planet last week breached the 410 parts per million (ppm) milestone for the first time in human history.

“It’s a new atmosphere that humanity will have to contend with, one that’s trapping more heat and causing the climate to change at a quickening rate,” wrote Climate Central’s Brian Kahn. “Carbon dioxide hasn’t reached that height in millions of years.”

The milestone was recorded Tuesday at the Mauna Loa Observatory in Hawaii by the Keeling Curve, a program of the Scripps Institution of Oceanography at University of California San Diego. Since the planet reached the dangerous new normal of 400 ppm last year, scientists have warned that that the accelerated rate at which concentrations of CO2 are…

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