By Dan Modlin
http://stream.publicbroadcasting.net/production/mp3/wkyu/local-wkyu-725797.mp3
Bowling Green, Ky – Some researchers believe that a large percentage of the earth's untapped oil supplies could be in the Arctic region. Dr. David Keeling, head of the WKU Geography and Geology Department, says leaders in Russia are taking steps to increase their claims in the region. He spoke to Dan Modlin about how changes in the Arctic could lead to a number of serious geopolitical and environmental issues.