An oil drilling rig arrives aboard a transport ship at sunrise, following a journey across the Pacific in Port Angeles, Wash. on April 17, 2015. Royal Dutch Shell hopes to use the rig for exploratory drilling during the summer open-water season in the Chukchi Sea off Alaska's northwest coast.
An oil drilling rig arrives aboard a transport ship at sunrise, following a journey across the Pacific in Port Angeles, Wash. on April 17, 2015. Royal Dutch Shell hopes to use the rig for exploratory drilling during the summer open-water season in the Chukchi Sea off Alaska's northwest coast. Daniella Beccaria AP/Seattle Post-Intelligencer
An oil drilling rig arrives aboard a transport ship at sunrise, following a journey across the Pacific in Port Angeles, Wash. on April 17, 2015. Royal Dutch Shell hopes to use the rig for exploratory drilling during the summer open-water season in the Chukchi Sea off Alaska's northwest coast. Daniella Beccaria AP/Seattle Post-Intelligencer

Obama unleashes drilling rigs while fighting global warming

August 12, 2015 2:33 PM