In this roundup of Maryland Earth Day celebrations, you’ll find plenty of ways to show your love for Mother Earth, from stream cleanups to eco-friendly festivals.
Earth Day is April 22, but family-friendly eco events take place all month long.
Be sure to check out our list Spring fairs and festivals, too.
Always call ahead or check the event website before attending an event.
Maryland Earth Day Celebrations
Annual Stream Cleanup – 2019
April 6. To help keep litter from entering the Bay, volunteers will walk various stream corridors across Bowie picking up trash and recycling. Free. 9 a.m.–2 p.m. Various locations, Bowie. cityofbowie.org
Patuxent River Cleanup – 2019
April 6. Volunteer to help remove debris from the Patuxent River. All ages. Free. 9 a.m.–noon. Jug Bay Wetland Sanctuary, Lothian. paxriverkeeper.org
Potomac River Watershed Cleanup – 2019
April 13. Help remove trash from the Potomac. Trash bags and gloves provided. Registration required. 9 a.m.–noon. National Colonial Farm, Accokeek. accokeekfoundation.org
Bowie Green Expo – 2019
April 13. Family event with puppet shows, demonstrations, green products and more. Free. Noon–4 p.m. Kenhill Center, Bowie. bowiegreenexpo.org
GreenFest – 2019
April 13. Activities, exhibits, demonstrations, workshops and more. Free. 10a.m.–4 p.m. Howard Community College, Columbia. hcgreenfest.org
Anacostia River Clean-Up and Celebration – 2019
April 13. Join volunteers to clean along Anacostia River Watershed, then attend celebration at Robert F. Kennedy Memorial Stadium. Free. Clean up from 9am-noon, celebration from noon–2 p.m. Various venues. anacostiaws.org
Earth Day Celebration – 2019
April 14. Check out live animals, hands-on education demonstrations, eco-friendly products, recycling art projects, and live music in the Leonardtown Square, plus kayak and boat rides. Free. 12:30–4:30 p.m. Leonardtown Square & Wharf, Leonardtown. leonardtown.somd.com
Plant Sale – 2019
April 20. Historic London Town and Gardens presents its annual plant sale, featuring London Town’s horticultural collections, small trees and shrubs, natives, annuals and perennials. Preview sale for members Friday April 19. Free. 9 a.m.–2 p.m. Historic London Town, Edgewater. historiclondontown.org
Earth Optimism Day – 2019
April 22. Activities celebrating conservation success stories , interactive demonstrations, a scavenger hunt and more. Free. 10 a.m.–2 p.m. The National Zoo, Washington, D.C. nationalzoo.si.edu
Run for Nature Earth Day 5K – 2019
April 27. The rolling and beautiful 5K course is run on mostly paved park trails through the lovely, wooded Quiet Waters Park. Walkers, children are welcome. Pets, strollers are permitted. Post-race enjoy an awards ceremony, refreshments and prizes. Registration required. $20–$25. Race starts at 9 a.m. Quiet Waters Park, Annapolis. fqwp.org
Earth Day Expo – 2019
April 27. Local vendors, demonstrations, activities for children and adults, nature exhibits and a yard sale. Park entry is free during the event. 10 a.m.–4 p.m. Quiet Waters Park, Annapolis. fqwp.org
Severna Park Earth Day Festival – 2019
April 27. Festival that aims to educate and engage the community in a fun and meaningful way. Interactive activities for children, as well as materials and information for home owners striving to increase their understanding and make improvements in their homes that are eco-friendly. Free. 10 a.m.–1 p.m. Severna Park High School. facebook.com/Spearthdayfestival
Greenscape – 2019
April 27. This citywide beautification effort, clean-up and planting project will bring community members a chance to clean up together. Materials provided by the city. Free. 8 a.m.–noon. Locations throughout Annapolis. annapolis.gov/403/GreenScape
Earth Day Plant Sale and Picnic – 2019
April 28. Spend an afternoon exploring the historic gardens and enjoy a picnic on the grounds. The annual Plant Sale will feature heirloom and native sun to shade perennials, as well as tropical and house plants. Free. Noon–4 p.m. Tudor Place Historic House and Garden, Washington, D.C. tudorplace.org