paleoclimate
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A New 66 Million-Year History of Carbon Dioxide Offers Little Comfort for Today
Scientists have produced a new curve of how atmospheric carbon dioxide affects climate. It makes clear that its effects can be long lasting.
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Science and Heritage: The Ice Memory Foundation’s Mission for the Planet
As climate change threatens an uncertain future, an international foundation is collecting and saving stories from the past in an unusual format: ice cores from disappearing glaciers that act as archives for both data and memories.
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Cataloging the Past for Clues to Future Climate Adaptation
A Q&A with archaeologist and anthropologist Kristina Douglass, who studies the evolving relationships between people and the environment.
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At 90, Still Studying Ancient Pollen
Lamont’s Linda Heusser turned 90 years old on April 12, and the only birthday present she really wanted was another sediment core to study.
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Tackling a 40 Million-Year-Old Conundrum
A new study bolsters the idea that the uplifts of the Himalayas and Andes that began tens of millions years ago helped trigger the many ice ages that followed.
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During the Last Ice Age, the Tropics Were Colder Than We Thought. Bad News for Us.
Gases collected from ancient groundwater provide a compelling portrait of how much past temperatures have swung back and forth.
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Scientists Have Discovered an Ancient Lake Bed Deep Beneath the Greenland Ice
Using radar and other techniques, researchers have mapped out the sediments left by a lake that apparently existed before Greenland was glaciated. Next step: drilling through the ice to see what they contain.
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Data on Past Climates Key to Predicting Future, Scientists Say
An international team suggests that research centers around the world using numerical models to predict future climate change should include simulations of past climates.
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Rosanne D’Arrigo: Decoding The History of Climate Cycles, One Tree Ring At A Time
A simple fascination with winter and weather patterns led D’Arrigo to become a globe-trotting scientist who collects and analyzes important data from tree rings.