Denver, Colorado [RenewableEnergyAccess.com] A student-led initiative resulted in the University of Denver’s (DU) decision to buy 10% wind energy to power the Driscoll Center, Sturm Hall and the Ritchie Center for the next two years. The Environmental Protection Agency (EPA) confirmed that it’s the largest wind-energy purchase made by a Colorado college or university. To cover the $81,000 cost, undergraduate students voted to pay an extra $18 a year as part of their student activity fee. The annual purchase of 15,000 megawatt-hours will provide enough to power 2,000 homes. The purchase takes effect this fall.