Think green! 11 groups connect Pittsburgh with Earth Day events throughout April There's too much happening to squeeze Earth Day into a mere 24 hours. 07 Apr 2022
Top 11 things to do in Pittsburgh in April It's time to crawl out of your hibernation den and into these 11 must-do happenings around the city. 27 Mar 2019
It’s easy being green on Earth Day in Pittsburgh Market Square, Schenley Plaza, Mellon Square April 22 11 a.m. - 8 p.m. 17 Apr 2015
