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The American Lung Association’s annual report once again points to unhealthy air quality in Washington, with all measured counties getting F grades, because of wildfire smoke.
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Three government agencies made a plan public for how to move forward and clean up radioactive waste from large, underground tanks at the Hanford site in southeast Washington.
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The Chinook got shook when their truck got cooked. Now the salmon are swimming — but in the wrong brook.
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A U.S. Fish and Wildlife Service proposal to kill some 470,000 owls over 30 years to protect other owl species has prompted conservationists and animal welfare advocates to weigh the consequences.
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The importance of that comeback could bring clean water, a rebound of other native organisms, and a renewed availability of a traditional food source for the region’s Indigenous peoples.
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Avian influenza is killing tens of thousands of seals and sea lions, disrupting ecosystems and flummoxing scientists who don’t see a clear way to slow the devastating virus.
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Only seven states have legalized human composting as a burial practice. That's why 29 percent of the bodies brought to Recompose, a composting facility in Seattle, come from out of state.
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According to NOAA, an ‘unusual mortality event' that was killing off gray whales on the west coast has ended. But climate change is adding uncertainty to their conclusions.
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The U.S. Coast Guard has developed a new system to try to reduce the number of whales hit by vessels. It's a 4-year pilot project in the waters in and around Seattle.
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Friday marks 10 years since the side of a mountain collapsed, and buried an entire neighborhood in rural Washington state, killing 43 people.
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A common type of pesticide can harm fish for generations after just days of exposure. That’s according to a new study. And researchers say it could also be a problem for people.
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The U.S. Army wants to install filters to help clean up contaminated well water in Central Washington. First, people need to fill out specific paperwork.