From Namu to Lolita, affection isn't enough to save the orcas.

Seattle startup Impact Bioenergy is making use of half-eaten burgers, spoiled milk and spent yeast from a brewery.

As Pacific lamprey start returning to the Umatilla River, tribal members hope to be able to harvest them again.

As Washington reintroduces grizzly bears into the North Cascades, it should look to Montana's experience.

Scientist Yanyun Zhao is developing edible food packing and edible coating for fruits and vegetables.

Environmentalists and a Seattle City Council member are pushing to do more to protect existing trees.

Tracking and reducing your individual carbon footprint won’t, by itself, save humanity. It'll take all of us.

When it comes to Native treaty rights, Attorney General Bob Ferguson is essentially the same as Donald Trump.

The rapid rise and fall of Lost Valley Farm has led to some big troubles for the dairy.

The last cougar attack was nearly a century ago, but the reaction then was similar to now.

The daily dose of air pollution could outweigh the benefits of biking.

Open-space advocates are hoping to save property from being turned into a housing development.

Lolita has been stuck in a small tank for 48 years. Now, the Lummi Tribe is fighting for her freedom.

Agencies announced plans to relocate mountain goats from Washington’s Olympic National Park.