Published on
02:59 GMT
Pesticide Atrazine Contaminating 25% of US Rivers
Atrazine is the second most used weed killer in the U.S., where 70 million pounds of the herbicide are deployed each year. Above, a crop duster sprays a wheat field in the Pacific Northwest. (Photo: Carolyn Parsons, Wikimedia Commons, CC BY-SA 4.0) …
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Living on Earth
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