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May 2023 Atmospheric CO2 Content: 424.00 PPM (all-time high); May 2022 420.99; May 2021 419.13
https://www.noaa.gov/news-release/broken-record-atmospheric-carbon-dioxide-levels-jump-againhttps://gml.noaa.gov/ccgg/trends/data.html
1 replies
= new reply since forum marked as read
= new reply since forum marked as read
do?!
