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There's more to milfoil

Our aquatic plant specialist explains the differences between invasive and native milfoils, why native milfoils are important, and how you can start identifying plants in a lake near you.

Washington water supply update

Below normal precipitation compounded with the effects of multiple droughts have experts concerned about this year's conditions. 

New year, same drought

The drought declared in April 2024, is still in effect while experts keep an eye out for signs of improving conditions.  

New indicator tracks & visualizes ocean acidification in Washington

Carbon pollution from human activities is making ocean water corrosive. This harms marine life. Our new scientific tool helps us visualize how the ocean is changing in Washington.

Water Year 2025

Experts from state and federal agencies gather to discuss the outlook for the coming water year.

Slime is the new black for the flabby bristle worm

This month's critter is the flabby bristle worm. It might look slimy and unappealing, but it plays an important role in cycling nutrients through the Puget Sound food web.

2024 Water Year in Review

The 2024 water year was marked by low snowpack resulting in drought.

2024 pollution prevention interns revolutionize practical sustainability

The Washington Applied Sustainability Internship (WASI) program offers collaborative partnerships between academic institutions, government agencies, and industry.

Investigating the French Creek orange water mystery

For the past few summers, neighbors along French Creek in Snohomish County have been noticing an unusual orange hue in the stream. Here’s what we found in our investigation.

Science leads to safer school supplies

Our product studies scientists regularly test children’s and consumer products to uncover hidden toxics and help keep these chemicals out of our homes and the environment.