Ed Begley Jr., that is, actor, environmentalist, and star of the HGTV show "Living with Ed." The New York Times has a video of an interview with Ed Begley Jr. on its Dot Earth blog. Check it out here.
Interfaith Power and Light is a religious response to global warming with chapters in 25 states and Greater Washington, D.C.
Find a link to your local chapter at http://www.theregenerationproject.org/State.
Find discounts on energy saving products at http://www.shopipl.org/