One year from now, about 10,000 of the world’s athletes will converge in Rio de Janeiro, Brazil, the host city for the 2016 Summer Olympics. There’s just one problem — at least for athletes who will swim and boat in Rio’s waterways: The water is highly contaminated with human sewage, which means exposure to bacteria and viruses.A recent water-quality analysis of Olympic venues conducted by the Associated Press revealed high levels of bacteria and viruses despite assurance from Brazilian officials that the water would be safe for athletes by the time the games begin next August. According to the AP
