WMO says greenhouse gas levels hit records in 2025
By The BriefBrief
The World Meteorological Organization said greenhouse gas concentrations in the atmosphere reached record highs in 2025. Carbon dioxide reached 153% of pre-industrial levels, and the U.N. said the accumulated gases lock in climate impacts that will persist for centuries.
WHO:World Meteorological Organization
WHAT:The World Meteorological Organization said greenhouse gas concentrations reached record highs in 2025.
WHEN:Reported Oct 27, 2026 at 12:54 PM ET
WHERE:Earth's atmosphere
WHY:The reason for the record-high concentrations was not reported.
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