The Climate Commitment Act puts a cap on carbon emissions and raises billions of dollars for programs that help the state prepare for and adapt to climate change.

A new study projects biodiversity threats if global warming speeds up. Under the most extreme scenarios, about one in three species could be facing extinction by the end of the century.

The holiday season brings joy, family gatherings and gift-giving, but it also leaves behind significant environmental impacts.

Study findings provide new details on a Caspian tern die-off near Port Townsend in 2023 and how the virus killed seals in the region, infecting their brains.

Forecasters warned that another round of winter weather could complicate travel leading up to the Thanksgiving holiday, while California and Washington state continue to recover from storm damage.

After high winds earlier this week, thousands remain without power in Washington. A second system is expected to bring gusty, but not as strong, winds to the region.

Chum salmon appear to be having a boom year in the Northwest, thanks to good ocean conditions that benefit fall chum runs and endangered orcas all over the region.

It’s risky, it’s costly, and it’s bad for the whales. But, OPALCO continues to pursue the feasibility of harnessing San Juan County’s robust ocean currents for power generation.

A controversial renewable energy project near the Tri-Cities will face a lawsuit from locals. People who would live nearby are hoping to scale it back.

A major storm battered the northwest U.S. with strong winds and rain, causing widespread power outages and downed trees that killed at least two people.