Here are some local events happening today, Friday, Feb. 20, 2009:

AARP Tax-Aide program, 11 a.m. to 3 p.m., Corvallis Senior Center, 2601 N.W. Tyler Ave. ; 10 a.m. to 4 p.m., Corvallis Rite-Aid, 922 N.W. Circle Blvd.; 10 a.m. to 3 p.m. Philomath Community Library, 1050 Applegate St. volunteers will prepare and file federal income tax returns, free of charge.

"The Post-Darwinian Natural Theologies of Asa Gray and Charles Kingsley," lecture by Piers Hale, 4 p.m., Memorial Union, Oregon State University. Information: 737-8560.

Friends of the Library Book Sale, 5 to 9 p.m., Benton County Fairgrounds Auditorium, 110 S.W. 53rd St. Runs through Sunday. DVDs, CDs, hardcovers, paperbacks and more. Information: 929-4244.

Fifth Annual February Eco-Film Festival: "Passion for Sustainability," 7:30 p.m., Odd Fellows Hall, 223 S.W. Second St. Following 14 Portland businesses, "Passion for Sustainability" shows the relationship between environmental sustainability, social justice practices and business. Suggested donation: $5. Information: www.corvalliscenter.org.

Poetry reading with California's poet laureate Carol Muske-Dukes, 7:30 p.m., Valley Library main floor rotunda, Oregon State University. Information: 737-1661.

For more information, see Friday's Entertainer, the F.Y.I. column in each day's edition or www.gazettetimes.com. All events are open to the public and free unless otherwise indicated.