Melting Arctic sea ice mostly man-made

Jul 26, 2012
The latest study on the unprecedented loss of ice covering the Arctic says it is 70 percent the result of human-caused climate change.

Arctic race for resources heats up

Feb 22, 2012
While a Canadian military leader calls for an increased Arctic presence, the U.S. still can't get more boats in the water.

MID-DAY UPDATE: Obama's top economic policy adviser leaving- now what?

Sep 22, 2010
White House National Economic Council director Larry Summers will return to Harvard at the end of the year. Who might replace him and what does...