Thing of the past: Warmist John Vidal, traveling on Greenpeace's 163-foot diesel-powered icebreaker, finds the edge of the Arctic ice cap is more than 500 miles from the North Pole

Further north than expected, the Arctic Sunrise reaches the edge of the ice cap | John Vidal | Environment | guardian.co.uk

After setting out from northern Norway last week to witness this year's record sea melt in the Arctic, we reached the edge of the Arctic polar ice cap this morning. It's far further north than expected, at around 82 deg N, but the annual sea ice retreat here has been nowhere near as great as on the Alaskan side of the ice cap, where it has dramatically pulled back hundreds of miles further than usual.
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We are now less than 500 miles from the north pole and the temperature is dropping fast. The plan is to press deeper into the ice to find a good-sized floe where the three scientists, based in Cambridge, Scotland and the US, can set up their instruments to measure ice thickness, wave action and how the waves change as they penetrate the ice.
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Julienne Stroeve, from the National Snow and Ice Data Centre in Colorado, is here to track and "characterise" the ice we pass though. She mostly works from satellite data, but they can't tell the quality or age of the ice or the way it is moving.

Greenpeace has its own plans, which I can't divulge, but what ice pilot Arne Sorensen is looking for is a stable ice floe at least two metres thick, 100 yards long and a little less wide.

Flashback: Healing the planet: Greenpeace to spend five weeks ramming through "fragile/critical" Arctic ice with a 163-foot diesel-powered steel luxury yacht

Fuel Capacity: 508000 L.

Latitude and Longitude

A degree of latitude is approximately 69 miles