Melissa Block talks with Steven Mufson, who covers energy for the Washington Post, about Obama's energy policy over the past four years. They discuss its successes, failures and if the U.S. is any closer to energy independence.
Astronomer Roger Angel completely revolutionized the large telescopes that scientists use to look at the stars. Now he wants to use his mirror technology to make solar energy cheaper and more efficient.
In Colorado and Iowa, two states considered up for grabs in the presidential race, a battle over alternative energy policy is playing a growing role in the debate between President Obama and Mitt Romney.
The price of gas has been on a roller coaster this year. After a brief dip in early summer, the average price per gallon is back on the upswing. That's left many consumers wondering if prices will go even higher, but some analysts expect the most recent spike to be relatively short-lived.
What could be worse than a ruptured pipeline of crude oil? A ruptured pipeline of tar sands oil — a thick, sticky substance. Cleanup of a 2010 spill in Michigan's Kalamazoo River took much longer and was far harder than anyone had anticipated. It's now a cautionary tale for people in the middle of the new Keystone pipeline's path.
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