Associate scientist Fiamma Straneo from the physical oceanography department at Woods Hole Oceaonographic Institution, at work on the deck of the Arctic Sunrise.

Radio operator Texas Constantine from Canada paddles a kayak in front of a tributary glacier next to the Petermann glacier.

Large crevasses in Kangerdlugssuaq glacier photographed from the air. This hazardous terrain makes the work of obtaining scientific data, by installing GPS units, very challenging for glacologists. The glaciers display alarming signs of increased...

Leaving its temporary base at Hall Basin opposite the Petermann glacier, due to drifting sea ice, the Greenpeace ship MY Arctic Sunrise finds its new location further south.

Polar explorer and expert in glacier travel Eric Philips volunteers to rig mooring lines around a solid bollard of ice on the front of the Petermann glacier.

Geophysicist Dr Richard Bates, of the Scottish Oceans Institute at the University of St. Andrews, working on board the Greenpeace ship Arctic Sunrise.