The Mad Dash to Clean Up Rio’s Guanabara Bay Before the Games by Eric Niiler from on 2016-07-15 12:00 (#1MDXQ) Before several hundred sailors and windsurfers begin to compete in Rio on August 8, floating street sweepers are trying to clean up the waters. The post The Mad Dash to Clean Up Rio's Guanabara Bay Before the Games appeared first on WIRED.