Dr. James Hansen
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Dr. James Hansen is a climatologist and Adjunct Professor at Columbia University's Earth Institute.

Entries by Dr. James Hansen

Speaking Out Against the Canada-U.S. Tar Sands Pipeline

(27) Comments | Posted June 5, 2011 | 10:00 AM

The U.S. Department of State seems likely to approve a huge pipeline, known as Keystone XL to carry tar sands oil (about 830,000 barrels per day) to Texas refineries unless sufficient objections are raised.

The scientific community needs to get involved in this fray now. If this...

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