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February 12, 2024

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The words ‘in common with’ were pivotal to Judge Boldt’s ruling on Native American fishing rights

Three common words and their legal interpretation a half-century ago helped set the stage for a cultural revival among Native Americans while propelling an environmental movement that still resonates today in Washington state. It was 50 years ago today that U.S. District Judge George Boldt handed down his landmark ruling, which resolved the meaning of […]


January 22, 2024

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Cumulative effects on southern resident killer whales and contaminants of emerging concern

The Salish Sea Science Roundtable series continues on February 6th with a look at the possible cumulative effects of emerging contaminants on endangered killer whale populations. The online session will be hosted by the Puget Sound Institute and facilitated by Joe Gaydos, chief scientist at the SeaDoc Society. About the event: Southern resident killer whales […]

January 19, 2024

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Summer internships at PSI

Calling all UW undergrads: PSI is offering three paid student internships this summer. The jobs are sponsored by UW’s EarthLab with openings in the fields of science communication, oceanography, and policy research. The positions at PSI include: An Editorial Assistant Intern to help with the development of articles for the Encyclopedia of Puget Sound and […]

December 14, 2023

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Survey looks at public knowledge of estuaries

“An estuary is a partially enclosed, coastal water body where freshwater from rivers and streams mixes with salt water from the ocean.” – U.S. Environmental Protection Agency Think of it as Puget Sound’s secret recipe. Fill a large glacier-carved basin with salt water from the ocean. Add fresh water from some adjoining rivers. Stir vigorously. […]

November 29, 2023

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Latest Puget Sound marine waters overview now available

Announcement from the Puget Sound Ecosystem Monitoring Program: Today, the Puget Sound Marine Waters Work Group of the Puget Sound Ecosystem Monitoring Program released the eleventh annual report on marine water conditions in Puget Sound. The report combines a wealth of data from comprehensive monitoring programs and provides a concise summary of what was happening […]

November 27, 2023

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Upcoming event: Science roundtable continues with updates on Marine Survival Project

Join the next Salish Sea Science Roundtable on December 5th from 12:30 – 1:30 pm (PT) for an Update on the Salish Sea Marine Survival Project. The Salish Sea Marine Survival Project was a seven-year collaborative, international research effort focused on identifying factors affecting early marine survival of Chinook and coho salmon and steelhead in the Salish Sea. The […]

November 21, 2023

A carcass of a female coho salmon affected by the toxic chemical 6PPD-quinone in stormwater runoff in Seattle's Longfellow Creek. This salmon died before spawning, retaining nearly 100 percent of its eggs. Source: Tiffany Linbo, National Oceanic and Atmospheric Administration. | GAO-24-105687">

GAO report calls for strengthening of regulations on nonpoint source pollution

By Sarah DeWeerdt A new report by the nonpartisan Government Accountability Office (GAO) is renewing calls to strengthen Clean Water Act protections against nonpoint source pollution such as stormwater and agricultural runoff.  The recommendation echoes findings made by the GAO in 2013 when it called for Congress to revise “largely voluntary” regulations for nonpoint pollution sources that […]

November 8, 2023

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Puget Sound ecosystem holding on, but recovery remains uncertain, says latest status report

Efforts to restore ecological health to Puget Sound have largely failed to meet recovery goals, yet fish and wildlife populations are still hanging on, according to a new report that describes many struggling populations as neither increasing nor decreasing to a significant extent. The latest State of the Sound report, released last week by the […]

October 25, 2023

An aerial image of the lower Duwamish River as it flows into Puget Sound. The river is heavily contaminated with PCBs and other toxic chemicals. Photo courtesy of NOAA.">

PCBs in building materials

On Wednesday, November 1st, the Puget Sound Institute will host its third symposium on PCBs in regional waterways. The online symposium will include a national discussion about the management of PCBs in building materials. Speakers will include: The symposium takes place on November 1, from 9 am – 12:30 pm PT / 12 – 3:30 […]