I-SWEEEP, the International Sustainable World (Energy, Engineering, and Environment) Project Olympiad, is a groundbreaking science fair open to middle and high school students. It is the largest science fair event of its kind world-wide.I-SWEEEP is organized by the Cosmos Foundation, a non-profit educational organization in Houston with a mission to establish college preparatory K-12 schools focusing on math, science, engineering, and computer technologies in an effort to provide a world-class education to public. Cosmos Foundation currently operates 25 high performing public STEM schools in Texas.Cosmos Foundation organizes this prestigious event with the support of K-12 public school systems, leaders of industry, and higher education institutions. I-SWEEEP works with local, national, and international science fair organizations to bring together the top-ranking participants and qualifying projects from these competitions.Houston will again be home to the fourth I-SWEEEP in May 4-8, 2011 in GeorgeR.BrownConvention Center.