The latest news on Arctic
Of particular concern is the disappearance of thick sea ice that is thousands of years old.
ESA satellite images show ice shelf breaking away.
Durable old ice is disappearing in the Arctic. That's not a good sign.
As the ranking member Senate Energy Committee, she cannot be ignored by the Obama administration.
As climate change opens up the Arctic's oil and gas reserves, Bush lays out America's interests.
New studies show that the region is warming even faster than many scientists had feared.
As the ice melts, national rivalries heat up over oil and gas deposits and shipping routes.