"NORTH CASCADES NATIONAL PARK, Wash. — Jon Riedel’s white hair and light blue eyes match the icy tint of the landscape he’s studied for more than 30 years."

"SPOKANE — Three environmental groups sued a state agency Thursday over the effects of the Northwest’s only commercial nuclear power plant on the water quality of the Columbia River."

"A conservation group has made the largest private land acquisition in Washington history, purchasing nearly 48,000 acres near the Cascade Mountains' Snoqualmie Pass east of Seattle."

"A highly flammable byproduct flowed from oil tankers into an area stormwater system for at least a year before state regulators inspected the problem."

"PORTLAND — New threats and a legal settlement prompted the U.S. Fish and Wildlife Service proposal today to list West Coast populations of fisher as threatened under the Endangered Species Act."

"Northwest tribes urge US and Canada to revise Columbia River Treaty to allow safe passage for salmon crossing dams."

"Coal has been transported around the country by rail for decades. But very little research has been done on what coal does to the environment when it escapes from trains.With two large coal export terminals proposed for Washington state, one federal agency is hoping to add good science to the debate over coal in the Northwest."

"The U.S. Army Corps of Engineers has brought its review of a proposed coal export terminal to an immediate halt, a blow to the Australian company that's trying to get coal from the Northern Rockies to a hungry Asian market."