Jennings Environmental Education Center, Route 528, Brady Township, is set to host Winter Hiking and Backpacking Basics, an informational clinic, at 2 p.m. Sunday. Some time will be spent outdoors, so participants should dress for the weather. No fee or registration is required. “Nature Detectives: Wonders of Winter” has a registration deadline of Friday. The program is at 2 p.m. Feb. 9. Call 724-794-6011.