Ashley Ahearn
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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.