Charles Wallace is a chaplain and retired professor of religious studies at Willamette University in Salem, Oregon.

Peter Harle, a visiting lecturer, has taught a course on Religion and Food at Macalester College. Read a syllabus.

Read a May 2005 LA Yoga Magazine story on the greening of yoga.

Read a Yoga Journal story reporting the results of its Yoga in America survey.

The Green Yoga Association is a network of yoga practitioners, teachers and businesses who believe that taking care of the planet is essential to yoga practice. It’s based in Emeryville, Calif. It posts a directory of more than 100 “green” yoga studios and teachers all over the country.

Georg Feuerstein and his wife, Brenda, are the authors of Green Yoga. He studies philosophy and history and authored over 30 books on mysticism, Yoga, Tantra, and Hinduism. Georg created several learning courses made available through Traditional Yoga Studies, his wife’s Canadian educational company.

Dr. Barry Solof is a psychiatrist in Beverly Hills, Calif., and a fellow of the American Society of Addiction Medicine. He heads the Kaiser Permanente addiction medicine department in West Covina, Calif., and is a board member of the Secular Organization for Sobriety.

Dr. Walter Ling is a professor of psychiatry and director of the Integrated Substance Abuse Programs at the University of California, Los Angeles.

Lee Ann Kaskutas is the director of training at the Alcohol Research Group, National Alcohol Research Center in Berkeley, Calif. Her focus is in non-professional treatments such as self-help groups, peer support, social networks, spirituality, and education on the effects of alcohol consumption.