Kees van der Leun on Nostr: Based on daily values, the March average of atmospheric CO2 at Mauna Loa was ...

Based on daily values, the March average of atmospheric CO2 at Mauna Loa was 428.1-428.2 ppm; that's ~2.8 ppm higher than last year.
Since it's already higher than last year's May-June peak, it's also the highest level in at least 15 million years.
#CO2 #ClimateChange