Notice letter alleges violations involving chlorine; Industrial aquaculture giant sued over separate Columbia River pollution ...

PORTLAND, Ore.Two environmental advocacy organizations have issued a formal notice of intent to sue a subsidiary of Pacific ...

The most recent census of the fish-eating orcas that frequent Puget Sound revealed two new whales in J pod, while K pod ...

Kari Salis, a technical unit manager for the Oregon Health Authority Drinking Water Program, said the state started testing ...

The barge was shifted at some point, but it remained in the river as of Tuesday evening. Hill stated the Coast Guard was not ...

Colombia, the world's only significant oil producer to join a bloc of nations vowing to quit fossil fuels, is poised for an ...

As a child, Lisa Garcia spent her summers in a South Bronx where playgrounds had more cracked pavement and asphalt than grass ...

This article originally appeared on Inside Climate News, a nonprofit, non-partisan news organization that covers climate, ...

The endangered whales face multiple threats, from a lack of their primary food, chinook salmon, to underwater noise from vessels that makes it harder to hunt, as well as pollution and inbreeding.

Prosser sits in the heart of Washington wine country, surrounded by rolling vineyards that look like they belong on a postcard. This little town has more than 30 wineries and tasting rooms within a ...

A United Nations letter to Colombia warns that mercury contamination from illegal gold mining in the Atrato River basin is ...

The harvest moon’s reflection danced through the churning wake of Jakub Bednarek’s 16-foot aluminum jet boat on a recent night along the Columbia River.