This is a past event.

Understanding Carbon Credits in the Tucson Community

David Schaller, a former sustainable-development coordinator for the Environmental Protection Agency, speaks at 12:30 p.m., Saturday, Sept. 25. Free. An optional lunch takes place at 11:45 a.m. for a suggested donation of $5. Call 269-3414, or e-mail reedeliz@gmail.com for more information.