Oil stains on the edge of the water. Boat anchored offshore. Very bea.jpgul images of otters in the water and on a glacier. Ship at the dock near oil tanks. Background - The changing Arctic Oil stains on the water on the banks of a lake (plants are submerged by oil). Boat anchored offshore. Mussel in water covered with oil. Otters on a block of ice. Otter in water. Large ship Polar Resolution anchored . Keywords: ALASKA,ANIMAL,BOAT,LAKE,OIL TANKER,POLLUTION