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One More Reason

When cities or counties spray Roundup—on roadways, parks and playgrounds or other public spaces—they put you, your kids and your pets at risk. And, according to a new study from Michigan State University, they’re also contributing to the demise of the monarch butterfly.

Studies have also linked neonicotinoid pesticides to the decline in monarch populations, so we need to keep the pressure on communities to stop using them, and on the U.S. Environmental Protection Agency (EPA) to ban them.

The Michigan State study isn’t the first to link Roundup to monarch deaths, and the study also cites climate change as a contributing factor. But, the authors said that their study “provides the first empirical evidence of a negative association between glyphosate application and local abundance of adult monarch butterflies during 1994-2003, the initial phase of large-scale herbicide adoption in the Midwest.”

According to the study:

An analysis of data in Illinois has found a link between higher county-level use of an herbicide called glyphosate and reduced abundance of adult monarch butterflies, especially in areas with concentrated agriculture. This association was only evident during the initial years of the adoption of herbicide-resistant crops (1994-2003), however, when glyphosate use was increasing most quickly.

Yet, another reason to ban Roundup.

More on the Michigan State study

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