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2026-07-03 20:21:20 UTC

Kees van der Leun on Nostr: Atmospheric CO2 at Mauna Loa averaged ~431.4 ppm in June, based on daily averages. ...

Atmospheric CO2 at Mauna Loa averaged ~431.4 ppm in June, based on daily averages. That's 1.8 ppm higher than last year.