The John Wesley Powell Audubon Society and Illinois Wesleyan’s Environmental Studies Program will sponsor four programs this fall. All programs start at 7 p.m. in CNS C101:

• The east-side highway environmental assessment update will be discussed tonight (Monday, Sept. 19) with representatives from Clark Dietz Engineers. The proposed transportation corridor would address projected growth. The presentation is co-sponsored by Friends of Kickapoo Creek.

• Wind and wildlife will be discussed on Tuesday, Sept. 27 with Keith Shank from Illinois Department of Natural Resources. He will address commercial wind turbines, wind energy development and its potential growth. The presentation is co-sponsored by the Prairie Group of the Sierra Club, Urbana.

• On Tuesday, Oct. 18, the film “Green Fire: Aldo Leopold and a Land Ethic for Our Time” explores legendary environmentalist Aldo Leopold.

• The “Green Fire” narrator, Curt Meine, also will speak Nov. 3 on “From Wild Lands to Working Lands to Urban Lands: Connecting Conservation Across the Landscape.” His talk is co-sponsored by The Ames Library, Biology Department, and Environmental Studies Program.