Photo by David Howells/Corbis
Interior Cancels ANWR Leases, Shrinks Acreage On Alaska North Slope For Leasing
Oil production in Prudhoe Bay, just outside Alaska's ANWR reserve. The U.S. Geological Survey has said that the Arctic may hold up to 90 billion barrels of oil. A large percentage of which lie off Alaska's ANWR reserve. (Photo by David Howells/Corbis via Getty Images)