Up Next
Back to Show
PBS News Hour
Uncovering the history of Earth’s climate
To understand the history of climate change, researchers are digging underneath the ocean floor where organisms and plants have accumulated in sediment over millennia. Maureen Raymo studies this science of paleoclimatology using a vast collection of materials at Columbia University’s Lamont-Doherty Earth Observatory. NewsHour Weekend's Hari Sreenivasan reports.
Support Provided By
26:45
November 2, 2025 - PBS News Weekend full episode
26:45
November 1, 2025 - PBS News Weekend full episode
57:46
October 31, 2025 - PBS News Hour full episode
57:46
October 30, 2025 - PBS News Hour full episode
57:46
October 29, 2025 - PBS News Hour full episode
57:46
October 28, 2025 - PBS News Hour full episode
57:46
October 27, 2025 - PBS News Hour full episode
26:45
October 26, 2025 - PBS News Weekend full episode
26:45
October 25, 2025 - PBS News Weekend full episode
57:46
October 24, 2025 - PBS News Hour full episode
56:42
October 23, 2025 - PBS News Hour full episode
57:46
October 22, 2025 - PBS News Hour full episode