Greenpeace activists secure an arctic survival pod on the underside of the Leiv Eiriksson oil rig off Greenland's coast on Sunday, May 29, 2011, in an attempt to stop a Scottish oil company from starting deepwater drilling in the arctic waters. (AP Photo/Greenpeace, Steve Morgan)

Photo by: Steve Morgan

Greenpeace activists secure an arctic survival pod on the underside of the Leiv Eiriksson oil rig off Greenland's coast on Sunday, May 29, 2011, in an attempt to stop a Scottish oil company from starting deepwater drilling in the arctic waters. (AP Photo/Greenpeace, Steve Morgan)