New Weedkiller may be causing mass tree deaths in U.S.

weedkiller-mass-tree-deaths

White pine trees, a species under assault by Imprelis.

Unruly herbicides are making headlines again: A couple weeks ago, it was the fact that the world’s top-selling weedkiller was causing birth defects. This time, it looks like the brand new herbicide Imprelis, manufactured by the chemical giant DuPont and okayed for use by the EPA, is causing mass tree deaths in a number of vulnerable species across the US…

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