Department of Ecology

Prices for air pollution allowances under Washington’s cap-and-trade law climbed again at the state’s first auction of the year.

Casey Sixkiller, the new head of Washington's Department of Ecology, says his approach to problem solving is what qualifies him for the big challenges ahead.

A free-market think tank said the state is breaking its law, by not reporting its greenhouse gas emissions on schedule.

A new law that aims to protect consumers in Washington State from exposure to lead in cosmetics is now in effect, but it might be too strict for some trade groups.

Supporters of the cap-and-trade program say there’s no reason to be alarmed by the price drop. Voters will decide this November whether to keep or end the program.

A month in and the largest warehouse fire in the Tri-Cities is still smoldering, kicking up plumes of potentially toxic smoke.

Farmers in the Yakima and Kittitas valleys will be some of the hardest hit by Washington state’s declared drought. They might only get about 54% of their normal water this summer.

Three government agencies made a plan public for how to move forward and clean up radioactive waste from large, underground tanks at the Hanford site in southeast Washington.

Completion of a Canadian pipeline expansion means more crude-carrying vessels passing through the Salish Sea en route to the Pacific, raising spill fears.

Hanford managers and watchdogs hold public meeting to discuss current cleanup and future plans at the site