Study links Monsanto herbicide to monarch decline Prison Planet.com Posted on February 6, 2015 Posted in Aggregated No Comments Tagged with Sci Tech The Hill | Agriculture giant Monsanto’s signature herbicide has nearly eradicated the monarch butterfly, according to a Center for Food Safety study. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email