In the area of green building, the university requires that all new projects meet the requirements for LEED Silver certification and is in the process of building the first building in North Carolina to receive LEED Platinum status.[77] UNC-Chapel Hill's award-winning co-generation facility produces one-fourth of the electricity and all of the steam used on campus.[78] In 2006, the university and the Town of Chapel Hill jointly agreed to reduce greenhouse gas emissions 60% by 2050, becoming the first town-gown partnership in the country to do so.[79] Through these efforts, the university achieved a "A−" grade on the Sustainable Endowment Institute's College Sustainability Report Card 2010.[80] Only 14 out of 300 universities received a higher score than this.