the World Wildlife Fund 's says it lacks `` a clear path forward '' for drilling off U.S. . A court ruling last week set back the project . Shell began drilling in Thursday but skipped 11 after several snags . The shrinking of Arctic sea ice , which hit record summer lows in 2012 , has created new opportunities for energy exploration in the region . Environmentalists cheered 2012 's ruling .
the World Wildlife Fund 's says it lacks `` a clear path forward '' for drilling off U.S. . A court ruling last week set back the project . Shell began drilling in Thursday but skipped 11 after several snags . Environmentalists cheered 2012 's ruling .