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

Nature, Published online: 18 March 2026; doi:10.1038/s41586-025-10032-yBlue ice records from Antarctica are used to determine methane and carbon dioxide concentrations over the past 3 million years.

By Spark Maverick · March 18, 2026 · 1 min read

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

Source: Nature

Nature, Published online: 18 March 2026; doi:10.1038/s41586-025-10032-yBlue ice records from Antarctica are used to determine methane and carbon dioxide concentrations over the past 3 million years.