"Wildlife agents authorized to eradicate a group of 11 wolves for repeated attacks on cattle in Washington state have hunted down and killed six animals from the condemned pack and are searching for the rest, a state game official said on Monday."

"Once abundant throughout the Pacific Northwest, Oregon silverspot butterflies have dwindled because of habitat loss and extended drought. Zookeepers have been lending the species a hand."

"The Chinook salmon that Randy Settler and other Yakama tribal fishermen are pulling from the Columbia River are large and plentiful this summer, part of one of the biggest spawning runs since the 1960s. It is a sign, they say, of the river’s revitalization, through pollution regulations and ambitious fish hatchery programs. But barely four miles upstream from the fishermen’s nets, state workers are still cleaning up after a major oil train derailment in June."

"Rushing to stop a fire that never came, Forest Service logged miles of big trees, critical habitat"

"Concluding a long legal climb to cleaner air, the federal government Monday announced a record $425-million settlement with two oil refiners that is expected to reduce pollution emissions in the West by almost 43,000 tons annually."

"Washington state must repair road culverts that are blocking salmon from swimming to spawning areas because the pipes violate fishing rights protected by tribal treaties, a federal appeals court ruled on Monday."

"Oregon has asked the Federal Railroad Administration to place an open-ended moratorium on oil trains traveling through the state, because preliminary findings of an investigation into the June 3 derailment in Mosier suggest inspectors might not be able to detect the problem that likely caused the crash."

"The U.S. Environmental Protection Agency says it will take 30 years and around $746 million to clean up a 10-mile stretch of the Willamette River known as the Portland Harbor Superfund Site."

"The controversial proposed Gateway Pacific coal expert terminal suffered its latest body blow on Monday with denial of its application for an aquatic land lease at the Cherry Point site north of Bellingham."

"MOSIER, Ore. — Local politicians and residents reacted with shock and anger Monday as Union Pacific began running trains through this tiny Columbia River Gorge town just three days after a fiery derailment forced residents to evacuate and water and sewage systems to shut down."