About one hundred activists gathered Wednesday to protest Puget Sound Energy’s plan to keep producing electricity from coal until 2035.

Early indications show the mud and plants surrounding the Bay of Fundy could contain enough carbon to offset the emissions of thousands of vehicles.

Tracking a decade of spending by PSE and its industry allies.

In an era of growing concern for the environment, scientists in Belgium have come up with the groundwork for one possible solution: converting air pollution into power. The device that can do it currently fits into the palm of a hand. It relies on…

The Canadian government---with Alberta's support---just bought a key pipeline in Washington.

With thermal generators quickly aging, researchers at Rocky Mountain Institute say a clean energy portfolio can address U.S. power needs more cheaply than gas-fired plants.