Definition attributable to University of California at Hayward (see link on this ODP page) 1. The emerging synthesis of ecology and psychology 2. The skillful application of ecological insight to the practice of psychotherapy 3. The study of our emotional bond with the Earth 4. The search for an environmentally-based standard of mental health 5. Re-defining "sanity" as if the whole world mattered Reference: http://isis.csuhayward.edu/ALSS/ECO/index.html