washington u.s. senate democrats thursday fail pass measure block oil gas drill part arctic national wildlife reserve lose republicans believe production would provide job wealth amendment block development fail 48-52 mostly along party line lone republican senator susan collins maine support measure democrat vote joe manchin west virginia conservationists many democrats treasure alaskan reserve also know anwr one planet last paradises establish congress 1980 home tribes habitat sensitive wildlife include caribou polar bear hundreds species migratory bird republicans control congress white house long want open portion anwr call 1002 area senator lisa murkowski chair senate energy committee alaskan republican call 1002 portion non wilderness area government put aside decades ago petroleum exploration u.s. geological survey estimate area prudhoe bay northern alaska 12 billion barrel recoverable crude senate budget measure introduce fall instruct murkowski committee raise billion 10 years hop money come energy company royalties open 1002 area drill murkowski urge senators see instruction opportunity something constructive focus boost energy output federal land long limit fail amendment sponsor senator maria cantwell top democrat senate energy committee would eliminate directive budget resolution seek raise fund republicans lead sneak attack turn public land polluters cantwell say senator jeff merkley another democrat say something cynical sad effort open anwr would boost oil output state feel fast effect climate change majority scientists link carbon emissions burn fossil fuel development battle house representatives next pass version plan raise revenues drill final budget package would work leaders two chamber petroleum interest long lobby explore area say technology advance mean impact operations reserve would small murkowski say oil company could use infrared cameras detect avoid polar bear dens explore oil gas uncertain whether energy company face years static crude price amid wealth oil continental unite state would will increase drill harsh frigid arctic environmentalists vow keep fight congress sneak back door think nobody look say jamie williams president wilderness society anwr simply fragile special drill moral obligation protect future generations americans democrats fail block arctic reserve oil drill