Efforts to develop a sustainable community have granted UC Davis position #3 in the world ranking for campus sustainability. In April 2017, the International Center made its debut as a LEED Certified Gold building. But, what does LEED Certified Gold mean? The United States Environmental Protection Agency created the LEED rating system (Leadership in Energy and Environmental Design) to promote the constructions of buildings –from residential to commercial– that positively impact the well-being of people and the planet.