EEnvironment Read More Global ocean heat content over the past 3 million yearsMarch 19, 2026 Shackleton, S. et al. Miocene and Pliocene ice and air from the Allan Hills blue ice area, East…
SScience Read More Broadly stable atmospheric CO2 and CH4 levels over the past 3 million yearsMarch 18, 2026 Lüthi, D. et al. High-resolution carbon dioxide concentration record 650,000–800,000 years before present. Nature 453, 379–382 (2008). Article …