WASHINGTON, April 30 (UPI) -- U.S. President Barack Obama must withdraw permission to explore for oil and gas in the Arctic given developments in the U.S. Gulf of Mexico, the WWF said.

Melting sea ice has been shown to be a major cause of warming in the Arctic according to a University of Melbourne study.

The delimitation of the Barents Sea will open up for an unprecedented Norwegian-Russian cooperation on gas field development.

Norway's Statoil takes a positive view of the new agreement reached on Tuesday between Norway and Russia on the delimitation line in the Barents Sea and the Arctic Ocean.

The trackless tundra reaches a fork in the road this weekend as scrutiny begins of a massive uranium mine proposed for a pristine patch of the central Arctic.

OSLO — The leaders of Russia and Norway on Tuesday resolved a 40-year-old dispute over dividing the Barents Sea and part of the Arctic Ocean into clear economic zones extending to the edge of Europe’s northern continental shelf. The agreement could herald oil and natural gas exploration in a huge and potentially lucrative region.

Russia and Norway have reached an agreement on a long-running border dispute, Norwegian Prime Minister Jens Stoltenberg said Tuesday, in a deal that will provide a framework for how the two countries divvy up the vast energy reserves on the Arctic shelf.

A World Wildlife Fund report detailing "serious gaps" in global governance of the Arctic Ocean calls for a new international accord to regulate commercial development in the rapidly transforming region.

OSLO: The delimitation of the Barents Sea is a big event not only in Russian-Norwegian relations, but good also for all of Europe, President Dmitry Medvedev said today. He also highlighted the importance of the Barents Euro-Arctic Cooperation in High North relations.

OSLO: After almost 40 years of negotiations Norway's Prime Minister Jens Stoltenberg and Russian President Dmitri Medvedev announced today that they have reached a breakthrough and a deal will be signed.