Monday, April 20, 3:10 p.m. -- Department of Geology and Geophysics Distinguished Lecturer Series presents David Lageson, structural geology professor at Montana State University, S.H. Knight Geology Building Room 216. Free.

Monday, April 20, 7:30 p.m. -- Laramie Civic Chorus spring concert with Community Band, Buchanan Center for the Performing Arts concert hall. Free.

Tuesday, April 21, 9 a.m. -- In-Situ Recovery of Uranium Symposium, Wyoming Union Ballroom. Free.

Wednesday, April 22, 9 a.m.-1 p.m. -- Earth Day clothing drive, Wyoming Union Room 203.

Wednesday, April 22, 11 a.m.-1 p.m. -- Earth Day Fair and glass recycling collection, Simpson Plaza. Free.

Wednesday, April 22, 1:30 p.m. -- A Day with Andrew Solomon, College of Education auditorium. Free.

Wednesday, April 22, 4:10 p.m. -- Faculty Senate Speaker Series presents Stephanie Anderson, UW Department of Political Science associate professor, “They love us; they love us not?: How America’s image abroad shapes transatlantic security relations,” Classroom Building Room 306. Free.

Wednesday, April 22, 7 p.m. -- Earth Day film screening, “Switched,” followed by an informal discussion, Visual Arts Building Room 111. Free.

Wednesday, April 22, 8 p.m. -- Comedian Nick Vatterott, Wyoming Union Ballroom. Free.

Thursday, April 23, 3:10 p.m. -- School of Energy Resources Speaker Series presents Phil Cameron, executive director at Energy Conservation Works, Energy Innovation Center Room 201. Free.

Thursday, April 23, 6 p.m. -- The Global and International Studies Scholar Lecture Series presents Ahmed Rhazaoui, “The Syrian Crisis, Refugees and Impact on Neighboring Countries,” Classroom Building Room 103. Free.

Friday, April 24, 3:10 p.m. -- School of Energy Resources Speaker Series presents John Pierre, UW electrical and computer engineering professor, Energy Innovation Center Room 201. Free.

Friday, April 24, 6 p.m. -- Friday night bouldering series, Half Acre Recreation and Wellness Center. Free for UW students and $6.50 for the public.

Friday, April 24, 7 p.m. -- Planetarium show, “That Which Gives Us Life.” A tour of STAR observatory follows at 8:20 p.m. Tickets cost $2 for students and $3 for nonstudents, Physical Sciences Building basement. Advance tickets are available in Room 204 of the Physical Sciences Building.

Saturday, April 25, 7:30 p.m. -- Collegiate Chorale and Singing Statesmen with the Cheyenne Symphony Orchestra, “Beethoven 9,” Cheyenne Civic Center. Ticket prices range from $10-$45.

Sunday, April 26, 3 p.m. -- David Kim fortepiano recital, St. Matthew’s Cathedral, 104 S. Fourth St. Free.