A marine biologist is helping oysters fight back against ocean acidification.

The latest attempt to rein in Washington polluters has a 14-point lead, despite big-money foes.

Biologists counted more than 5,000 moose over three winters, but climate change and wolves are already eating into those numbers.

With so much protected public land, the North Cascades should be a real home for two of its most important wildlife species.

How songbirds move could help explain how bird species are dealing with rising temperatures and climate change. 

High-elevation national parks like Mount Rainier and Olympic are taking a beating from climate change.

Washington should do better on reviewing refinery expansions. And it must focus on the harm done by vessel noise.

A $6.2-million overpass will help safeguard animals and drivers in critical Cascades habitat.

A nonprofit focused on protecting salmon and a Washington bug farm are joining forces.

The governor-appointed coalition calls for adding 10 killer whales to the local population over the next 10 years.