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 ...

dateJul 14, 2014 in Earth Sciences
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Making progress on deforestation

In 2005, Brazil was losing more forest each year than any other country. The good news is that today, Brazil has reduced deforestation in the Amazon rainforest by 70 percent, according to a recent study. ...

dateJun 24, 2014 in Environment
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