British explorer Sir Ranulph Fiennes, 68, is planning a new adventure. He and his team want to cross Antarctica during the southern winter. That means six months of bitter cold and darkness. Can they succeed?
With the race for the riches of the Arctic heating up, even peaceful Canada has been holding war games to prepare for possible military confrontation. Russia has placed its flag beneath the Arctic ice, staking a claim to the natural resources there.
COP15, the United Nations Climate Change Conference in Copenhagen, takes place this week. The whole world is worried about global warming. But will the green agenda be based on facts? Boost your verb power to join the policy debate.