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Let’s be clear. Ocean acidification is real. Determining the causes, impacts, and identifying potential solutions are high priorities for our agency and the state.

We stopped using polychlorinated biphenyls (PCBs) 35 years ago, yet it continues to contaminate almost every water body in Washington.

Evidence is mounting that shows flame-retarding chemicals don’t effectively slow fires and have negative health effects, yet consumer products widely contain these chemicals.

State marine scientists collaborated to install a high-tech water monitoring sensor on the hull of the 64-car Salish ferry.

Toxic chemicals pose an immediate health threat to children. Preventing exposure is the smartest, cheapest, and healthiest way to protect people and the environment.

Our sediment team scientists examine the benthic community condition throughout Puget Sound and look at changes over time.

Two new reports evaluate the influence of people, climate, and the Pacific Ocean on oxygen levels in South and Central Puget Sound, as well as the larger Salish Sea.

We are all familiar with the term acid and we often hear about the pH scale, but what does it really mean? It is a delicate dance at the molecular level. Let's break it down.

Soap isn’t the answer when there’s an oil spill.

The communities of small invertebrates, also known as benthos, living in the sand and mud at the bottom of Bellingham Bay are showing signs of stress.