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Carbon dioxide peaks near 420 parts per million at Mauna Loa observatory

Carbon dioxide peaks near 420 parts per million at Mauna Loa observatory

In May, NOAA's measurements at the Mauna Loa observatory averaged 419.13 parts per million. Scientists at Scripps calculated a monthly average of 418.92 ppm.  It's the highest level since accurate measurements began 63 years ago.

June 7, 2021 0 Comments
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