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> I’ve never put pesticides on the lawns. Herbicides, sure, sometimes lots of herbicides, but all very much plant specific.

Herbicides—like insecticides, fungicides, and rodenticides—are a subset of pesticides. So it is impossible for you to never have put pesticides on the lawns if you have put herbicides on them.

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Yeah, an herbicide like triclopyr breaks down quickly, but still can bioaccumulate in wildlife and humans need proper protection during application [1].

Also, glyphosate (RoundUp) is debated as far as safety... and unfortunately for Monsanto, they got too cozy with the EPA and trying to ghostwrite positive scientific studies that no matter the scientific evidence one way or another, a jury found them responsible for causing cancer in civil trials. [2]

[1] http://www.npic.orst.edu/factsheets/triclogen.pdf [2] https://www.npr.org/sections/thesalt/2019/05/30/727914874/sa...

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