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Zack Labe
zacklabe.com
did:plc:nipoqrw2c5olbwkhy3bqxkiy
Carbon dioxide (CO₂) averaged about 430 ppm in June 2025
10 years ago June averaged about 403 ppm
Preliminary data from @noaa.gov: gml.noaa.gov/ccgg/trends/
2025-07-15T23:56:40.439Z