Pennypack Farm and Education Center in Horsham sponsors its third annual film series aimed at engaging neighbors in discussion about environmental issues. Each movie delves into a different aspect of sustainability with a focus on how small changes can make a big difference to the world.
All screenings are at the nonprofit Ambler Theater, 108 E. Butler Ave., Ambler 19002. Tickets are $10 each. 215-345-7855 or amblertheatre.org/pennypack
Doors open at 6 p.m. for a community expo, highlighting local organizations. Films start at 7:30 p.m. and are followed by panel discussions.



