Wednesday, April 20 to Saturday, April 30

Wednesday, April 20

Lehigh University Earth Day Fair. 11 a.m. to 1:30 p.m. University center front lawn. Visit http://sustainability.lehigh.edu/earth-week-2016.

Friday, April 22

Earth Day Fair, 11 a.m. to 1:30 p.m. University center front lawn.

Fourth annual Science Fun Night and free, open to the public Earth Day celebration; presentations, 3D printing, Makerspace by Barnes and Noble, slime making and such-like. 5:30 to 8:30 p.m. East Hills Middle School, 2005 Chester Ave. For information, email ttancin@basdschools.org.

Saturday, April 30

Tree planting day at all nine city parks, volunteers needed. Sign up by emailing cmroysdon@gmail.com.

The Bethlehem Press calendar listings are, to the best of our knowledge, correct at the time of printing. We are not responsible for the accuracy or reliability of information submitted by external parties.