Learn about everything

  Learn about everything from fueling your car with vegetable oil to how Aspen, Colo., manages its "alternative building" at the Fourth Annual Sustainable Communities Symposium, Sept. 20-22 in Crested Butte, Colo. The conference kicks off with words from Janine Benyus, author of Biomimicry: Innovation Inspired by Nature (HCN, 7/6/98:Defining a scientific movement), and features workshops on sustainable living, as well as a tour of energy-efficient homes in nearby Gunnison. For more information, contact the High Country Citizens' Alliance at 970/349-7104 or visit www.hccaonline.org.