Columbia University

When the world ended in ice

(Phys.org) -- A mile or so of glacial ice covering much of North America and plowing down from the north once terminated in the New York metropolitan area, at a front stretching roughly from exit ...

dateJul 03, 2012 in Earth Sciences
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Do urban 'heat islands' hint at trees of future?

City streets can be mean, but somewhere near Brooklyn, a tree grows far better than its country cousins, due to chronically elevated city heat levels, says a new study. The study, just published in the journal ...

dateApr 24, 2012 in Environment
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The Japanese disaster one year later

As the world remembers the horrors of the disaster on its one-year anniversary, experts at the Mailman School take stock of disaster response, nuclear fears and lessons learned

dateMar 12, 2012 in Other
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