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During Aug. 2015's Eyes Over Puget Sound monitoring flight, we saw massive blooms of jellyfish stretching hundreds of feet long.

Puget Sound waters were hit with a double-whammy. Late last year, "the Blob" was followed by an extremely warm winter, and the usual snowpack didn’t form in the mountains.

Abundant sun and unusually warm water temperatures fueled phytoplankton and zooplankton blooms in many areas during June 2015's marine flight.

The dumbbell worm is tiny, ranging from 15 to 20 millimeters long and about 5 millimeters wide. It belongs to class Polychaeta, within the phylum Annelida.

Meet the two new taxonomists that recently joined the monitoring team, Dany Burgess and Angela Eagleston.

This year, Ecology and the Port of Ridgefield have been using advanced cleanup techniques to remove pollution at the Pacific WoodTreating cleanup site.

The Washington Policy Center got the facts wrong, as did media outlets that repeated the story. We do not disagree with Gov. Jay Inslee on ocean acidification, and we have reason to be concerned.

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.