On April 27, the U.S. Green Building Council and the Green Building Certification Institute released LEED Version 3. The latest version of the green building rating system, in the works for more than three years, "sets the stage for the growth and improvement of the whole LEED program for the next several years," says Mike Optiz, USGBC's vice president for LEED implementation. The current release includes LEED 2009, LEED Online Version 3 and a new certification process based on ISO standards, administered by the GBCI. It also updates all the LEED categories at once. These include LEED for new construction,
The 2016 Summer Olympics boating and swimming events have put an international spotlight on what has been a long-running problem in Rio de Janeiro—untreated sewage and trash are clogging up major bays and waterways.