Page last updated at 15:39 GMT, Thursday, 5 March 2009

A dramatic night on Arctic ice

Advertisement

A British team has begun a gruelling trek to the North Pole to discover how quickly the Arctic sea-ice is melting.

During their 1,000km (620 miles) journey they plan to take measurements of the thickness of the ice.

Polar explorer Ann Daniels describes a dramatic night on the Arctic sea ice.

SEE ALSO

Story Tools

BBC navigation

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.

Americas Africa Europe Middle East South Asia Asia Pacific