Colville Tribe, Teck go to court over Columbia River pollution . Originally published August 12, 2012 at 8:20 pm Updated August 12, 2012 at 10:31 pm ...

Laying the groundwork a cleaner Columbia River, the Environmental Protection Agency on Thursday released a new "action plan" to reduce toxic pollution. The plan, devised by a working group ...

Group accuses Corps of illegal pollutant discharges in Columbia River from three dams Lubricants, heated water harm salmon and other species, lawsuit says (Reuters) - Environmentalists on ...

Regulators need more stringent water quality standards to protect the Columbia River from toxic pollution, a group led by the U.S. Environmental Protection Agency says in a proposed "toxics ...

The Columbia River is on a list of the EPA's top water priorities for the next five years, along with Puget Sound, the Everglades, Chesapeake Bay, the Great Lakes, Long Island Sound and the Gulf ...

ALONG THE COLUMBIA RIVER — James Kiona stands on a rocky ledge overlooking Lyle Falls where the water froths and rushes through steep canyon walls just before merging with the Columbia River ...

Stormwater washing off roads and air pollution from industry are two possible sources of microplastics in the Columbia River Basin such as here at Kalama, Wash. Researchers with Portland State ...

Oregon tribes, state agencies, farmers and ranchers are getting more than $31 million from the federal government to reduce toxic pollution in the Columbia River and its tributaries.

Government reaches agreement with Canadian company that is the world's largest zinc producer on paying for a study of heavy-metal pollution in the Columbia River.

HOOD RIVER, Ore. — Braced against high winds, Rachael Pecore waded hip deep into the Columbia River carrying two 100-milliliter jars and an itch to solve the 20-year mystery of “river nose.” ...

An undated file photo of the Bonneville Dam on the Columbia River. The federal government is awarding $31 million for various projects to improve the health of the Columbia Basin. It’s the last ...