USA ALASKA BERING SEA JUN-AUG12 - Images from a maritime expedition to the Bering Sea with the Greenpeace ship Esperanza. Images include wildlife, seascapes, fishing boats, banner protests and submarine operations and marine biodiversity specimen retrieved from the deep sea canyons.

The Alaskan Arctic Expedition highlights the need to save the Arctic from attempts by oil companies to exploit the region's resources for short term profit.

Photos by Jiri Rezac / Greenpeace