As global warming concerns grow, the U.S. secretary of state points to Arctic sea lanes as "an opportunity."
The president "exceeded his authority," a federal judge in Alaska said.
As Arctic waters warm, shipping traffic is rapidly increasing in their favored habitats.
Scientists with NASA’s Operation IceBridge are shooting green lasers into the Arctic Ocean’s melt ponds to better understand
These projects are helping take out the trash.
The coastal plain on Alaska’s North Slope is one of the most untouched ecosystems in America.
A NASA photo gallery shows Earth "in a state of flux."
Alaska Native and environmental advocacy groups want to block the president's freeze on an Obama-era drilling ban.
But President Trump still might abandon the Paris climate accord.