The Audubon Society hosts naturalist led walks at 9 a.m. Thursdays at the Succop Conservancy, 185 Airport Road, Penn Township. Call 412-963-6100 or visit www.aswp.org to register.

Jennings Environmental Education Center, Route 528, Brady Township, is accepting registration through May 3 for a program on “Eating Green, Eating Wild!” planned for 1 to 4 p.m. May 11. The program is designed for those 16 and older. Space is limited. Register at www.dcnr.state.pa.us/Calendar/list.asp or 724-794-6011.

McConnells Mill State Park in Slippery Rock Township will host a spring wildflower walk from 1 to 3 p.m. Saturday leaving from Hells Hollow. The gristmill opens May 18. Admission is free. Call 724-368-8811.