 His book "The Nature of Generosity" holds forth on the value of what he terms "extreme long loop altruism", elaborating with refreshing insights and wisdom on sustainability, civilization, and its relationship to culture, history, and human nature.He was also co-producer of the movie, "A River Runs Through It".He has received numerous awards including a Stegner Fellowship at Stanford and Writing Fellowships from the National Endowment for the Arts.