By David Ljunggren, 17 April 2009

The head of a British team walking to the North Pole on a mission to gauge how fast Arctic ice sheets are melting said on Friday he was surprised by how little permanent ice he had found so far.

Pen Hadow and two other adventurers set off in early March on a 1,000-km (620-mile) trek from Canada’s Arctic to the North Pole. The team was set down in an area where scientists had been sure there would be permanent multiyear ice. (more…)