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UN Reports Record Greenhouse Gas Levels in 2025

The World Meteorological Organization said on October 27, 2026, that concentrations of carbon dioxide, methane and nitrous oxide reached record highs in 2025, locking in climate impacts that will last for centuries.

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Oct 27, 7:32 AM straitstimes.com Greenhouse gases hit record highs, further rise expected with El Nino, UN weather agency says
Oct 27, 6:13 AM cbsnews.com Greenhouse gas levels set records in 2025, U.N. says, expressing alarm
Oct 27, 5:00 AM news.un.org Record carbon dioxide levels will impact us for centuries, says UN weather agency
Oct 27, 4:55 AM cbsnews.com Greenhouse gas levels set records again in 2025, U.N. says
Oct 27, 3:08 AM scmp.com Greenhouse gas levels hit record highs, climate impact will last centuries: UN