The US government has announced new curbs on oil and gas exploration in Arctic waters off Alaska’s northern coast.
It comes after oil giant Royal Dutch Shell last month stopped its Arctic activity citing “disappointing” tests.
The US interior department said it was cancelling two potential Arctic offshore lease sales and would not extend current leases.
The announcement has been welcomed by environmentalists.
Miyoko Sakashita, of the Center for Biological Diversity, said the decision was “great for the Arctic and its polar bears”.