Interior Secretary Bruce Babbitt will talk at an Environmental Restoration Conference: Challenges for the New Millennium, Nov. 11-13, at the University of Arizona in Tucson. Speakers also include writer Terry Tempest Williams, David Wegner of the Glen Canyon Institute, and Dan Luecke of the Environmental Defense Fund. Call 520/621-8430, or write to Environmental Restoration Conference, University of Arizona, James E. Rogers College of Law, P.O. Box 210176, Tucson, AZ 85721-0176.