Methane Warming At Least 34x Higher than CO2

3,121 views · Published 15 March 2016 · 6:01 · Indexed 26 October 2026

Channel: Paul Beckwith · 2016 · News & Politics

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My Methane Pet Peeve. Almost all reports (blogs, articles, newspapers, mainstream or not) incorrectly state that methane is 25x, or 24x or 22x stronger for warming than carbon dioxide. WRONG. Did I say WRONG. Over 100 years, the correct number from IPCC AR5 (2013) is 34x. It is 86x over 20 years, and up to 200x over a year or two. Methane lifetime is about 11 years in the atmosphere, but varies with latitude. The risk of large methane burps, especially in the Arctic is HUGE and growing.

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