7 years ago
Earth Just Passed 410 Ppm CO2 Levels For The First Time in Human History
On April 18, Earth breached its latest climate change milestone. For the first time in human history, atmospheric carbon dioxide levels were measured at 410 parts per million (ppm). The Keeling Curve, a University of California San Diego, Scripps Institution of Oceanography program, recorded the milestone at Mauna Loa Observatory in Hawaii. This was a sobering moment for scientists, albeit hardly surprising.
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