Research biologists are studying the elusive Cascades frog, which lives in alpine meltwater ponds in Washington's Olympic Mountains, to understand how warming climate might affect the ecosystems they depend on.

"Firefighters in Washington state and Oregon were grappling on Wednesday with blazes that have blackened more than 200 square miles of terrain across the Pacific Northwest, forcing hundreds of residents to flee their homes."

"In response to a massive bumblebee die-off blamed on pesticides, the Oregon Department of Agriculture issued a temporary restriction Thursday on 18 insecticides with the active ingredient dinotefuran."

"Seattle has set itself an 86-page to-do list to help it reach carbon neutrality by 2050."

"An official with the Army Corps of Engineers told a Congressional committee Tuesday it doesn't plan a broad environmental study on exporting coal from the western United States."

"GRANTS PASS, Ore. -- Tens of thousands of acres in Oregon's drought-stricken Klamath Basin will have to go without irrigation water this summer after the Klamath Tribes and the federal government exercised newly confirmed powers that put the tribes in the driver's seat over water use — a move ranchers fear will be economically disastrous."

"GRANTS PASS, Ore. -- A new plan for balancing scarce water in the Klamath Basin between fish and farms won't harm salmon or other fish protected by the Endangered Species Act, federal scientists said Monday."

"A radical shift in the world energy picture is raising environmental concerns in the United States."

"For the fourth time since 1956, Portlanders on Tuesday night rejected a plan to fluoridate city water, 60 percent to 40 percent."

"If the U.S. Environmental Protection Agency isn’t going to ensure Seattle’s Duwamish River is clean enough for needy residents to fish there for their dinner, the agency needs to ensure those people get fish some other way – even if that means supplying seafood through food banks. Or building clean urban fishing ponds. Or giving people shares in a seafood cooperative akin to a community-supported-agriculture operation."