PBS NewsHour

Uncovering the history of Earth’s climate

Clip: 03/17/2019 | 5m 55s

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.

Aired: 03/17/19

Rating: NR

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