Denmark and its self-governing dependency of Greenland plan to present a seabed claim extending to the North Pole before the end of 2014 against competing claims from other Arctic states, Danish of

Environmental group Greenpeace has sent two vessels into the northern North Sea to protest against oil exploration off Greenland, the organization and officials said on Tuesday.

Greenpeace's action came as British explorer Cairn Energy

laid out its plans for drilling off Greenland this summer and began preparing to move the Leiv Eiriksson rig into position.

Greenpeace said in a statement

Brazilian senator and former environment minister Marina Silva won Norway's $100,000 Sophie Prize for her work to protect the Amazon rainforest, the prize foundation announced on Wednesday.