by guest blogger Leah Zerbe, online editor for RodaleNews.com For years, chemical reps assured farmers that Roundup was safe and “biodegradable.” Fast-forward and farmers now spray more than 185 million pounds of glyphosate—the active ingredient in Roundup—on U.S. food crops. It’s also the most popular weedkiller used in yards, gardens, parks, and playgrounds all […]