(Image credit: Shutterstock) Roundup, the most widely used weedkiller in the U.S., is currently being discussed in the Supreme Court over whether it is safe. The high-profile case, widely reported in the media, including CNN , has raised issues about the health risks of glyphosate in the weedkiller and its link with cancer. With heightened concern about the safety of weedkillers, there has been a rise in interest in alternative products and how to keep your yard weed-free without risking your health. At Tom’s Guide, we regularly report on alternative methods to keep weeds at bay in your yard and how to remove them. Here we take a look at 6 organic ways to treat weeds naturally. Article continues below 1. Mulch (Image credit: Shutterstock) Stopping weeds before they grow is always the best measure, and Chriss Handley, lawn care specialist at Online Turf, agrees.…