Columbia University

What geology has to say about global warming

Last month I gave a public lecture entitled, "When Maine was California," to an audience in a small town in Maine. It drew parallels between California, today, and Maine, 400 million years ago, when similar geologic processes ...

dateJul 14, 2014 in Earth Sciences
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Maybe Ben Franklin was wrong

( -- The eruption of the Laki volcano in Iceland in 1783-84 set off a cascade of catastrophe, spewing sulfuric clouds into Europe and eventually around the world. Poisonous mists and a resulting famine from loss ...

dateApr 07, 2011 in Earth Sciences
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Undersea clues to Haiti's earthquake history

( -- For all of its violent destruction, the earthquake that struck Haiti on Jan. 12, 2010, hardly scratched the surface of the island. But scientists now say they have found some of the best clues to understanding ...

dateJul 22, 2011 in Earth Sciences
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A sea change, deep under Antarctic waters

The frigid seabottom off Antarctica holds a surprising riot of life: colorful carpets of sponges, starfish, sea cucumbers and many other soft, bottom-dwelling animals,shown on images from robotic submarines. Now, it ...

dateSep 21, 2011 in Earth Sciences
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