Members of the Knox College community will celebrate Earth Month in April with a variety of events on the Knox campus, including a lecture focused on environmental issues, a 5K run/walk, and a festival.

Biologist Tyrone Hayes, a professor at the University of California-Berkeley, will speak at the EquiKnox Lecture at 7 p.m. on April 20 in Kresge Recital Hall, Ford Center for the Fine Arts. Hayes will discuss his research on the pesticide atrazine and its effect on male frogs.

A 5K Fun Run and Walk will start at 8 a.m. on April 23. Proceeds from the event will go to Trees4Galesburg, a nonprofit organization whose mission is to plant trees in Galesburg. Discounted registration is available through April 1.

Earth month concludes on the afternoon of the April 23 with an Earth Day Festival from 11 a.m. to 3 p.m. on the Gizmo Patio. The event features food, games, music, and other family activities.

All three events are free and open to the public.

Here is a complete roundup of the month's events:

• April 1-2: Camping trip for Knox College students to Green Oaks Biological Field Station. Organized by Knox Advocates for Recycling and Environmental Support (KARES).
• April 13: Herbal remedies presentation by Tina Hope at 4 p.m. in Wilson House on the Knox campus. Organized by KARES.
• April 15: Grand reopening of the Knox campus Share Shop at 4 p.m. in the basement of Conger-Neal residence hall. Organized by KARES.
• April 20: EquiKnox Lecture with biologist Tyrone Hayes at 7 p.m. in Kresge Recital Hall, Ford Center for the Fine Arts. It is free and open to the public. Organized by KARES.
• April 22: "Recovered food dinner" hosted by the Knox Food Recovery Network from 5:30 to 7:30 p.m. in Wilson House.
• April 23: Earth Day 5K Fun Run & Walk, starting on Turner Track at Trevor Field on the Knox campus. Check-in and registration start at 8 a.m., with the run and walk to follow at 9 a.m. Organized by the Knox College Student Senate.
• April 23: Earth Day Festival from 11 a.m. to 3 p.m. on the Gizmo Patio. The event is free and open to the public. It features food, games, music, and other activities. Organized by KARES.