Record carbon dioxide levels will impact us for centuries, says UN weather agency

UN News

Published 27 Oct 2026, 11:00 pm·2 d ago·1 min read

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Levels of carbon dioxide (CO2) and other major greenhouse gases in the atmosphere caused by burning fossil fuels reached record highs in 2025, locking in more long-term global warming, the World Meteorological Organization (WMO) said on Tuesday.

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Greenhouse gas levels hit record highs, climate impact will last centuries: UN

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Record carbon dioxide levels will impact us for centuries, says UN weather agency

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