|This is a Wikimedia Commons user page.
If you find this page on any site other than Wikimedia Commons, you are viewing a mirror site. Be aware that the page may be outdated, and that the user this page belongs to may have no personal affiliation with any site other than Wikimedia Commons itself. The original page is located at .
David A. Sonnenfeld is Professor of Sociology and Environmental Policy at the State University of New York College of Environmental Science and Forestry (SUNY-ESF), in Syracuse, New York. I've been contributing to Wikipedia since 2006. My professional homepage is: http://www.esf.edu/es/sonnenfeld.