Three adult harbor seals in Puget Sound have tested positive for the Highly Pathogenic Avian Influenza H5N1 strain, marking the first incidence of HPAI in marine mammals on the West Coast, and officials are urging beachgoers to avoid contact with wildlife.

The Washington Department of Fish & Wildlife said the fish are yellow perch, which are common in the lake.

It would be an obscure sighting of the species. The closest beluga population, which lives at least 1,400 miles away in Alaska’s Cook Inlet, is endangered and covered under the Marine Mammal Protection Act.

If upwelling starts a month earlier than usual, the amount of oxygen, already low, has to last until the fall when storms promote mixing which adds oxygen back into the system. As of late September this year, upwelling is still occurring and low levels of oxygen are still persisting.

Nearly 30 transient orcas were spotted in the Salish Sea around British Columbia and Washington state over the Labor Day weekend, a positive sign for the species, according to local whale watchers and researchers.

For the first time in Seattle’s history, temperatures spiked above 100 degrees two days in a row, with residents scrambling to find relief — and flocking to beaches, parks and...

Residents in Seclusion Cove were evacuated Monday night due to a landslide. As residents were warned of the threat, Poulsbo Fire said trees were heard cracking.

Some 22,950 sockeye were counted at Ballard’s Hiram Chittenden Locks in 2020, but only about 3,000 made it to the mouth of the Cedar. Another 40 to 50% of those fish typically die on the spawning grounds before they can reproduce.A vortex of climate change, urbanization and predators endangers a beloved species.

DES MOINES, Wash. - Drier weather on Wednesday helped to lessen the landslide threat across Western Washington, but another system will be moving in later in the week, increasing the threat by Friday.

All the rain and snow falling in Western Washington bumps up the risk for mudslides and avalanches.

The tornado touched down and damaged homes on the Kitsap Peninsula. No injuries were discovered in a primary search, according to the Washington State Patrol.

The population of endangered killer whales has hit a 30-year-low, numbering only 75 this year.

The biggest challenges for whales is the buildup of toxic chemicals in their bodies and the shrinking runs of Chinook salmon, their primary prey.

Shellfish in the Puget Sound tested positive for the prescription opioid oxycodone, and this was not the only drug found by the Washington Department of Fish and Wildlife.

Environmental reporter Christopher Dunagan discusses the challenges of protecting Puget Sound and all things water-related. Weather extremes now surpassing the realm of natural possibilities

Multiple groups of transient killer whales were spotted in the waters off Vashon Island Friday, according to the Vashon Hydrophone Project’s Ann Stateler (“Orca Annie”).

After a bat was found near Seattle with deadly White Nose Syndrome, a conservation group has teamed up with cave explorers to find out if B.C.'s bats are also affected. The White Nose fungus can kill 99 or even 100 percent of a population it infects.