Meanwhile, atmospheric CO2 levels averaged during May 2025 rose to a record high 430.5 ppm, 3.6 ppm higher than they were in May 2024 (426.9 ppm) gml.noaa.gov/ccgg/trends/ - ThreadSky

mzjacobson.bsky.social • 15 days ago

Meanwhile, atmospheric CO2 levels averaged during May 2025 rose to a record high 430.5 ppm, 3.6 ppm higher than they were in May 2024 (426.9 ppm)

https://gml.noaa.gov/ccgg/trends/