Ashley Ahearn
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Two dams blocked the river for more than 100 years. The lower dam is completely gone and the last 30 feet of the upper dam were blown up this week. Now, the river is returning to life.
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The Environmental Protection Agency and state Department of Ecology have moved in to monitor water pollution and hazardous materials. Residents living in the area have expressed concerns.
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Earlier this month, China imposed a ban on shellfish imports from most of the U.S. West Coast after finding two bad clams. The move is hitting Washington state particularly hard. State agencies estimate businesses there are losing as much as $600,000 a week.
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Scientists are worried about the elusive members of the weasel family that live in parts of Olympic National Forest in Washington state. To see whether martens are endangered, volunteers are installing remote camera traps to take photos of the animals.
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Summertime means motorcycles are on the roads — and many of the best roads snake through our National Parks. Officials say motorcycles are a major contributor to noise pollution in the Parks. Find more environmental stories at EarthFix.
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The U.S. Navy is in the process of renewing its permits to conduct sonar and explosive tests off the coast of the Pacific Northwest. But the recent unexplained death of a young orca who washed ashore in February has thrown a wrench in the process. Experts say injuries to the whale may indicate she was exposed to an underwater explosion or sonar testing.