Western literature, politics and ecology will merge at the Seventh North American Interdisciplinary Wilderness Conference. The event is sponsored by the Center for Environmental Arts and Humanities at the University of Nevada, Reno, and will take place at the Nugget in Reno. The Feb. 29-March 2 workshop features T.H. Watkins, editor of Wilderness magazine, and writer Rick Bass. The conference costs $60 for non-students. Contact Scott Slovic at the Center for Environmental Arts and Humanities, University of Nevada, Reno, 702/784-8015.