Lower wildfire activity and changing traffic patterns stemming from the COVID-19 pandemic reduced air pollution in sensitive ...

The Washington Department of Ecology issued penalties totaling over $1.1 million to Amazon Inc. and Walmart Inc. for illegally selling climate-polluting cooling and refrigeration products. These ...

Many locals have never seen the dense Olympia area exist without Capitol Lake at its center; they don’t know that the mouth ...

Grant recipients of Ecology's landfill methane emissions reduction grant program are having success reducing methane ...

We invite you to comment on two cleanup sites in the Lower Duwamish Waterway as well as a consent decree settling who will ...

Ecology's air quality in overburdened communities grant program is reducing air pollution through sustainable transportation.

This rulemaking will update both chapters to consider recommendations from the 2025 Best Achievable Protection (BAP) workgroups. To learn more about this rulemaking and recommendations from the 2025 ...

There are about 6,500 contaminated sites in Washington that need cleanup or are being cleaned up. They range from small gasoline spills on dirt to complex mixes of different chemicals impacting soil, ...

Roadway flooding in the coastal city of Westport. Photo courtesy of City of Westport. In 2023, we launched an innovative approach to help Washington’s coastal communities and Tribes build their ...