Nik Kaestner is the first Director of Sustainability at the San Francisco Unified School District (SFUSD), where he has collaborated with teachers, students, and staff to develop a nationally-recognized sustainable schools program. His staff of five keep busy promoting energy efficiency, water conservation, waste reduction, green schoolyards, and low-carbon transportation at the District’s 180 sites. Since Nik’s hire in 2008, SFUSD’s energy use has dropped by 22%, water usage is down 29%, and waste diversion has doubled to 66%. SFUSD has been recognized as a Green Ribbon district by the US Dep’t of Education and received the Green California Summit’s Leadership Award, the Green Culture Leadership Award at the CA Green Schools Summit, and the “Best of Green Schools” award for industry transformation from the USGBC’s Center for Green Schools.