CO2 in the atmosphere has reached highest level in 800,000 years: WMO report

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Oct 15, 2025 - 21:55
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CO2 in the atmosphere has reached highest level in 800,000 years: WMO report
A Suncor oilsands mine facility seen from the air near Fort McMurray, Alta., Monday, Sept. 19, 2011.

Heat-trapping carbon dioxide levels in the atmosphere jumped by the highest amount on record last year, soaring to a level not seen in human civilization and "turbo-charging" the Earth's climate and causing more extreme weather, the United Nations weather agency said Wednesday.