Ecolution Fashion Show
6-10 p.m. Thu., April 20. Fairmont Hotel, Downtown. www.showclix.com/event/earth-day-ecolution-fashion-show
With the theme “Planets — Preserving the Wonders of the Universe,” this year’s show is curated by Richard Parsakian, owner of Eons Fashion Antique, a vintage clothing and accessories store. The show will highlight recycled and reused materials designed exclusively for Pittsburgh Earth Day by local designers.
Paint the Square Green
11 a.m.-5 p.m. Fri., April 21, and Sat., April 22. Market Square, Downtown. www.pittsburghearthday.org
Market Square will feature an international market with a mix of local vendors specializing in earth-friendly products and services, along with organic and educational vendors and live music. Performers will include Rachel B, Nina Sainato and Nox Boys.
Pittsburgh Earth Day Solar-Powered Food Truck Festival
11 a.m.-2 p.m. Fri., April 21, and Sat., April 22. Fourth Avenue, Downtown. www.pittsburghearthday.org
Fourth Avenue, adjacent to Market Square and PPG Place, will be filled with food trucks from more than a dozen vendors running on solar-powered electricity.
Pittsburgh Parks Conservancy
Fri., April 21, and Sat., April 22. Frick Park. www.pittsburghparks.org/earth-day
This community celebration sponsored by Pittsburgh Parks Conservancy at the recently opened Frick Environmental Center will feature hikes, live animal exhibitions and the opportunity to volunteer by planting trees and removing invasive plants, in Frick Park. There will also be a tree giveaway and a solar concert.
March for Science
Noon-2 p.m. Sat., April 22, Bigelow Boulevard, Oakland
The march will begin on Bigelow Boulevard between Fifth and Forbes avenues. Marchers will proceed up Forbes, turn left onto South Bellefield Avenue, turn left onto Fifth Avenue, and return to Bigelow Boulevard. There will be several speakers before and after the march.