This story has been updated to include remarks from members of the Makah tribe.

Wildlife officials are appealing to landowners on San Juan and Lopez islands. They’re asking them to set aside patches of habitat for the rare island marble butterfly, before it gets official protection under federal law.

King County is grappling with how to handle its trash as the Cedar Hills Regional Landfill reaches capacity. The Maple Valley facility, which first accepted waste in the mid-1960s, is expected to fill up in less than 20 years. Expansion efforts have stalled as neighbors complain about the effects of squeezing more refuse into the little space remaining.

Less than a week after the Canadian general election, teenage climate activist Greta Thunberg arrived in Vancouver, B.C., on Friday to speak. The 16-year-old attracted thousands of fellow climate activists, many fellow teenagers and their parents, to the downtown core.

Oyster growers in Southwest Washington have given up on their push to use a controversial neurotoxin to control burrowing shrimp. The shrimp can turn oyster beds into quicksand that suffocates the shellfish. The growers have dropped an appeal before the state Pollution Control Hearings Board, in favor of a settlement agreement with the state department of ecology.

A U.S. judge has thrown out a federal permit for the Washington state shellfish industry that failed to comply with environmental regulations.

It’s been more than two years since Cooke Aquaculture’s net pens collapsed at Cypress Island near Anacortes. The fallout led the state Legislature to ban net-pen farming of non-native fish in Washington waters. Now, Cooke is back with plans to farm two native species in its pens in Port Angeles Harbor.

More than half of the birds in our state are at risk of extinction because of climate change. That's according to a new national report from the Audubon Society, which gives detailed analysis of climate impacts on about 600 species of North American birds — and a state-by-state breakdown of their fates.

Their goal is clear: to prevent Puget Sound’s iconic Southern Resident killer whales from going extinct. Solving that problem is anything but simple. The task force convened by Gov. Jay Inslee to save the orcas added 13 new recommendations this week, at its final meeting. The additions to the group’s so-called “Year 2 Report” cover more than 100 pages, adding climate change and population growth to the list of issues complicating orca recovery.

Two pods of the scarcely seen Southern Resident orca population showed up in the waters off Seattle within just a few hours of author Erich Hoyt’s return to the Pacific Northwest for his book tour.