Learn how to protect public lands from livestock abuse during a Feb. 3-4 program at Arizona State University in Tempe. Writer and grazing critic Steve Johnson begins the Public Rangelands Grazing Workshop by detailing grazing's effects on ecosystems; the program concludes with a BLM-conducted field trip to examine rangeland health near Phoenix. Registration costs $10 before Jan. 26 and $15 at the door. Contact Jim Powers, Prescott National Forest Friends, P.O. Box 1991, Prescott, AZ 86302 (520/776-1552).