On Feb. 10, 2004, an enthusiastic audience filled the Alumni Lounge in Gerlinger Hall for inaugural Joy Belsky Lecture. Featured at the podium were the executive director of the Science and Environmental Health Network (SEHN) and environmental theorist and lawyer Carolyn Raffensperger, Physicians for Social Responsibility (PSR), Los Angeles, community activist Martha Dina Arguello. The common topic was “The Public Trust and the Precautionary Principle.”