State of the Climate in 2025: All 3 dominant greenhouse gases hit new record highs (IMAGE)

American Meteorological Society

State of the Climate in 2025: All 3 dominant greenhouse gases hit new record highs

Caption

Global mean concentrations of atmospheric carbon dioxide, methane, and nitrous oxide all hit record highs in 2025.

Credit

Image source: Climate.us, using data from the State of the Climate in 2025

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