Mr. Bunch is an environmental attorney who has worked on behalf of the Sierra Club, Hill Country Foundation, Travis Audubon Society, Texas Rivers Protection Association, Texas Center for Policy Studies, San Marcos River Foundation, as well as private landowners and neighborhood groups. However, he has been most active with the Save Our Springs Alliance, where he serves as executive director. The Alliance has been deeply involved in protecting Barton Springs and other major springs of the Edwards Aquifer. Their efforts have included pressing for development and enforcement of water quality ordinances, listing of endangered and threatened species, shifting development to less sensitive sites, acquiring conservation lands, and promoting environmental education.