Broadly stable atmospheric CO₂ and CH₄ levels over the past 3 million years

www.nature.com

Broadly stable atmospheric CO₂ and CH₄ levels over the past 3 million years

www.nature.com

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NatureEnglish · 5 days ago

Nature, Published online: 18 March 2026; doi:10.1038/s41586-025-10032-y

Blue ice records from Antarctica are used to determine methane and carbon dioxide concentrations over the past 3 million years.

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Nature is a weekly international journal publishing the finest peer-reviewed research in all fields of science and technology on the basis of its originality, importance, interdisciplinary interest, timeliness, accessibility, elegance and surprising conclusions. Nature also provides rapid, authoritative, insightful and arresting news and interpretation of topical and coming trends affecting science, scientists and the wider public.

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