Broken record: Atmospheric carbon dioxide levels jump again
Annual increase in Keeling Curve peak is one of the largest on record
https://www.noaa.gov/news-release/broken-record-atmospheric-carbon-dioxide-levels-jump-again

CO2 levels at NOAA’s Mauna Loa Atmospheric Baseline Observatory peaked at 424 ppm in May, continuing a steady climb further into territory not seen for millions of years, scientists from NOAA and Scripps Institution of Oceanography announced

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