Columbia University

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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Sculpting tropical peaks

Tropical mountain ranges erode quickly, as heavy year-round rains feed raging rivers and trigger huge, fast-moving landslides. Rapid erosion produces rugged terrain, with steep rivers running through deep ...

dateOct 01, 2014 in Earth Sciences
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The Isthmus of Panama: Out of the Deep Earth

As dates in geologic history go, the formation of the slender land bridge that joins South America and North America is a red-letter one. More than once over the past 100 million years, the two great landmasses ...

dateApr 01, 2014 in Earth Sciences
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