This nontoxic lawn care startup wants to take on Roundup

Sunday uses fewer toxic ingredients to take care of your lawn and even kills weeds. In America, there’s no greater symbol of success than a plush green lawn. For many who prize such a spread, the ultimate preening tool is Monsanto’s Roundup, a very popular weed killer used by both general consumers for lawn care and farmers on large-scale cotton, soybean, and corn farms. But recent lawsuits have called into question the safety of these chemicals on human health and the environment. A new co...