The State of Greenhouse Gases in the Atmosphere Based on Global Observations through 2020
Environmental News Bits
OCTOBER 27, 2021
The latest analysis of observations from the WMO GAW in situ observational network shows that globally averaged surface mole fractions(1) for CO2, methane (CH4) and nitrous oxide (N2O) reached new highs in 2020, with CO2 at 413.2 ± 0.2 ppm(2), CH4 at 1889 ± 2 ppb(3) and… Read more →
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