Thomashow is specifically interested in developing reflective, interdisciplinary pedagogy for graduate programs in environmental studies. He teaches courses such as Global Environmental Change, Environmental Thought, and Cultures of Natural History.

Thomashow's first book, Ecological Identity: Becoming a Reflective Environmentalist (The MIT Press, 1995) offers an approach to teaching environmental education based on reflective practice-a guide to teachers, educators and concerned citizens alike that incorporates issues of citizenship, ecological identity, and civic responsibility within the framework of environmental studies. Ecological Identity was reviewed in fifteen publications, including The New York Times Book Review, The Utne Reader, Orion Magazine, Resurgence, APA Journal, Landscapes, Worldviews, and ISLE. It has been published in Portugese by Instituto Piaget.

Thomashow's second book, published in October, 2001, Bringing the Biosphere Home (The MIT Press) is a guide for learning how to perceive global environmental change. It shows readers that through a blend of local natural history observations, global change science, the use of imagination and memory, and spiritual contemplation, you can learn how to broaden your spatial and temporal view so that it encompasses the entire biosphere. Bringing the Biosphere Home considers the perceptual connections between what's local and global, how the ecological news of the community is of interest to the world, and how the global movement of peoples, species and weather systems impacts the local community. But most importantly, it addresses how people learn about these connections and how global environmental change might become the province of countless educational initiatives-from the classroom to the Internet, from community forums to international conferences, from the backyard to the biosphere.

Currently, he is in the initial stages of a book on the ecology of improvisation, linking music, play and sports, and patterns in nature.

Thomashow is the founder of Whole Terrain and on the Advisory Board of The Orion Society. He has reviewed environmental studies manuscripts for Harvard University Press, the MIT Press, and The University of Utah Press. Thomashow also participates in the annual John Hay Award Symposium, in which The Orion Society honors exemplary environmental writers, with a small colloquium discussing the impact of the writer's work. Recent honorees include Barry Lopez (Oregon), Homero Aridjis (Mexico), Peter Matthiesen (New York), Gary Snyder (California), and Ann Zwinger (Colorado). Thomashow is a founding member of the Council of Environmental Deans and Directors, a national organization which supports interdisciplinary environmental studies in higher education.

Since May of 2002, he has given presentations for the University of Oregon, Oregon State University, The National Montessori Teachers National Conference, The Australian Environmental Education Association, the Council of Environmental Deans and Directors, the Teton Science School, The Seattle Rotary Club, the University of Georgia Environmental Ethics Program, the Texas Outdoor Education Association, New Hampshire Association of Natural Resource Professionals, and the first annual Conservation Psychology Conference.

He received his Doctorate in Education from the University of Massachusetts at Amherst (1986), a Masters degree in Environmental Studies from Antioch New England Graduate School (1976) a Masters Degree in History from the State University of New York at Stony Brook (1973), and a B.A. in History from New York University (1971).

Thomashow lives in the hill country of southwest New Hampshire, in the shadow of Mount Monadnock. He is married to Cindy Thomashow who directs the Environmental Education program at Antioch New England Graduate School. His daughter, Jessica, is a recent graduate of Bates College (September 2002) and his son Jacob is a freshman at Clark University. His interests include basketball, baseball, board games, jazz piano, electronic keyboards, guitar, hiking, bicycling and gardening.