The State University of New York College of Environmental Science and Forestry (ESF) is a public research university in Syracuse, New York, focused on the environment and natural resources. It is part of the State University of New York (SUNY) system. ESF is immediately adjacent to Syracuse University, within which it was founded, and with which it maintains a special relationship. It is classified among "R2: Doctoral Universities – High research activity".
ESF operates education and research facilities also in the Adirondack Park (including the Ranger School in Wanakena), the Thousand Islands, elsewhere in Central New York, and Costa Rica. The college's curricula focus on the understanding, management, and sustainability of the environment and natural resources.