https://socan.eco/wp-content/uploads/2016/09/ch4_trend_gl.png 579 792 Alan Journet https://socan.eco/wp-content/uploads/2016/03/SOCAN-logo-300x126.png Alan Journet2018-05-04 16:20:552018-05-04 16:20:55Earth’s Average CO2 Levels Cross 410 ppm for the First Month Ever
Earth’s Average CO2 Levels Cross 410 ppm for the First Month Ever
Lorraine Chow, Ecowatch, May 04, 2018
April was the first month in recorded history with an average concentration of atmospheric carbon dioxide topping 410 parts per million (ppm).
This dubious new milestone was recorded at the Mauna Loa Observatory in Hawaii by the Keeling Curve, a program of the Scripps Institution of Oceanography at the University of California San Diego.
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