Glaciologist Dr Jason Box gathers samples of cryocronite from the lower section of the Petermann glacier. Previous samples taken from other glaciers in Greenland have contained traces of lead and cadmium.

Glaciologist Dr Richard Bates takes 'casts' of temperature pressure current and salinity at the 'whirlpool' and crack on the Petermann glacier. He is assisted by ice logistic Eric Philips working on board the Greenpeace ship Arctic Sunrise in...

The Arctic Sunrise prepares to leave 'the ice bridge' in the Robeson channel, at 82.4 North, near the border between Greenland and Canada.

The crew of the Greenpeace ship MY Arctic Sunrise in Greenland. The Arctic Sunrise reaches 'the ice bridge' in the Robeson channel, at 82.4 North, near the border between Greenland and Canada. This is the Southernmost extent of the summer sea ice...

Glaciologist Dr Jason Box adjusts his remote time-lapse cameras which are trained across Petermann Glacier.