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Articles on Pollution

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Environmental DNA is a promising tool for tracking species in freshwater ecosystems like Oregon’s Elkhorn Creek. Greg Shine, BLM/Flickr

Scientists at work: We use environmental DNA to monitor how human activities affect life in rivers and streams

Rivers are among the most embattled ecosystems on Earth. Researchers are testing a new, inexpensive way to study river health by using eDNA to count the species that rivers harbor.
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A tale of two valleys: Latrobe and Hunter regions both have coal stations, but one has far worse mercury pollution

New research found power stations in the Latrobe Valley emit around 10 times more mercury than power stations in the Hunter Valley. The stark difference has a lot to do with regulations.

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