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Ancient Warming Collapsed Wyoming Forest Canopies, Study Shows

Faster modern carbon emissions plus recent global declines in vegetation productivity raise the risk that today’s ecosystems could cross thresholds with recovery measured in tens to hundreds of thousands of years.

Ancient Antarctic Ice Extends Climate Records to 3 Million Years, Points to Ocean‑Led Shifts

Record 228-Meter Core Recovered Beneath West Antarctic Ice Points to Past Open Ocean

Space Dust Reveals 30,000 Years of Arctic Sea-Ice Shifts

Scientists Date Antarctica’s Oldest Ice and Air to 6 Million Years at Allan Hills

High-Resolution Stalagmite Record Uncovers Eight Multi-Year Droughts in Terminal Classic Maya Era

Antarctic’s 1.5-Million-Year Ice Cores Reach Europe for Analysis