A light plane flies over the sea ice off the coast of ANWR. In the last few months, offshore oil leases have been completed along the coast in order to get at what drillers hope will be a profitable oil field. Environmentalists warn that an oil spill under arctic ice would have disastrous consequences.
Spread out across the uplands of the Arctic National Wildlife Refuge, the Porcupine caribou herd grazes in the midnightsun. The coastal plain of ANWR has become a battleground in the war for drilling on the Slope.