COUNTY

Jennings Environmental Education Center, Route 528, Brady Township, will host DiscoverE summer programs: Hide-N-Seekers for ages 4 and 5; Outdoor Explorers for ages 6 to 8; and Penn’s Adventurers for ages 9 to 12. Take Back the Woods: Battling Invasive Species work day will be from 9 a.m. to 1 p.m. Saturday for age 12 and older (registration required). Visit www.events.dcnr.pa.gov or call 724-794-6011.

REGION

Crooked Creek Environmental Learning Center, 142 Kerr Road, near Ford City, will host “Hummingbirds at Home” presented by the Audubon Society of Western Pennsylvania at 2 p.m. Sunday. This program is geared toward adults and interested older children. Children must be accompanied by an adult. Admission is free. Call 412-963-6100.