2025 Earth Day Activities in
NMWDA Member Jurisdictions

Earth Day is an annual event celebrated on April 22^nd to demonstrate support for environmental protection. Municipalities across our Member Jurisdictions are hosting a variety of Earth Day activities. The below list is a compilation of the Earth Day activities taking place throughout the month of April that are listed on municipality websites. These activities range from community clean-ups and workshops to sales of rain barrels and even some festivals! There are also hazardous household waste collection and shredding events. This list is not exhaustive, nor does the Authority endorse any activity on the list. Some events require registration ahead of the event, which is noted in the descriptions.

Anne Arundel County

23rd Annual Earth Day Festival
Sunday, April 27th from 11am – 3pm
Earleigh Heights Volunteer Fire Company
161 Ritchie Highway, Severna Park, MD 21146

This event brings together dozens of exhibitors, including Anne Arundel DPW, to have fun learning about the environment, animal welfare, recycling and composting, alternative energy, and physical and mental wellness. Come explore the eco-marketplace with plants and handmade and up-cycled offerings. For more information, go to: https://goodneighborsgroup.org/earth-day-festival/

Historic London Town and Gardens, A Tree Birthday Party!
Sunday, April 27th from 10am – 3pm
839 Londontown Road, Edgewater, MD 21037

Come celebrate the oldest tree on site that has witnessed 200+ years of United States history. Enjoy garden and tree-themed crafts, scavenger hunt, games, other exciting activities and, of course, birthday cake! Get your free tickets (with suggested donation) at: https://historiclondontown.app.neoncrm.com/np/clients/historiclondontown/eventRegistration.jsp?event=2530&

Baltimore City

Party for the Planet at the Zoo
Friday, April 25 and Saturday, April 26 from 10am – 2pm
The Maryland Zoo
One Safari Place, Baltimore, MD 21217

Baltimore City Public Works is hosting a table at the Zoo for their Earth Day event. This event is free with purchase of admission to the Zoo or Zoo membership. There will be Zookeeper chats, educational activities, other community partner tables, and more! Along the way, try fun activities and learn how to be a planet protector. For more information, go to: https://www.marylandzoo.org/event_series/earth-day/party-for-the-planet/

EARTH DAY Event & Pop-up @ The Urban Oasis
Tuesday, April 22 from 4pm – 7pm
2131 N Dukeland Street, Baltimore, MD 21216

In partnership with The Urban Oasis, stop by and enjoy live salsa music, cultural expositions and get some great resources to help you with your greening projects

Baltimore County

Earth Day Fair
Thursday, April 24 from 11am – 1pm    

Baltimore County’s Bureau of Solid Waste Management will host tables at CCBC Catonsville, Dundalk, and Essex. Come join in this fun event that includes clothing and book swaps, giveaways, and plant sales. Learn from environmental organizations all while enjoying time under the sun with classmates. The event is open to the wider public. 

For the addresses to the campus nearest you, visit https://www.ccbcmd.edu/About/Events/2025/04/Earth-Day-Fair.html 

Baltimore County Rain Barrel and Composter On-Line Sale

Baltimore County is hosting online pre-order sale for compost bins and rain barrels to enable residents to celebrate Earth Day (April 22) through the sustainable practices of home composting and rainwater reuse. Compost bins are available for $55 each and rain barrels are available for $65 each. Prices include tax. This sale is not limited to residents of Baltimore County. Products can be ordered at baltimore.enviroworld.us. Pre-orders are open until Sunday, April 20.

All orders must be picked up on Saturday, April 26, from 9 a.m. to 2 p.m. at the Community College of Baltimore County (CCBC) -Essex Campus, 7201 Rossville Boulevard, Lot 7.
Please bring receipt of purchase.

Compost bins and rain barrels are shipped in one piece and will fit in most cars. Please plan accordingly for the products you purchase. Distribution will occur rain or shine. All orders are taken online only. There will be no purchases available at the distribution location.

Carroll County

Carroll County Rain Barrel and Composter On-Line Sale is OPEN!
Now through April 27, 2025

Carroll County residents can place orders online at www.enviroworld.us/carrollcountymd. Rain barrels and compost bins that you order must be picked up on May 3, 2025, from 8 a.m. to 1 p.m. at the Carroll County Office Building, 225 N. Center Street, Westminster, Maryland. Items will not be available for pick up after this date. The items cannot be purchased during the pickup event.

Carroll County Household Hazardous Waste and Shred Spring Event
Saturday, April 12, 2025, 8am – 12pm
Carroll County Vehicle Maintenance Facility
1250 Old Meadow Branch Road, Westminster, MD (off Md. Rte. 97, north of Westminster, go past Meadow Branch Road to Old Meadow Branch Road).

Carroll County residents can drop off dangerous household items listed below from 8 a.m. until 12 noon and shred sensitive documents from 8 a.m. until noon, or until the truck is full, whichever comes first. The Carroll County Health Department and Sherriff’s Office will be onsite to collect medications and sharps.

Frederick County

Textiles before Taxes: A Tons of Textiles Collection Event
Friday, April 11, 2025, 3pm – 6pm
The Route 85 and 7^th Street Common Market Co-Op locations

Residents can bring textiles, including clothing, sheets, blankets, shoes, and other clothing.

Fri-Yay Earth Day Celebration
Friday, April 18, 2025, 10am – 10:30am
Walkersville Library

Designed for 0-5-Year-olds, this will be an excellent opportunity for young ones to get exposure to recycling and the different materials.

Harford County

Earth Day Celebration
Saturday, April 26, 11am – 3pm
Poplar Grove Park
3519 Conowingo Road, Street, MD 21154

Harford County Office of Recycling is hosting Earth Day that will include 20+ Harford County Environmental and Agriculture groups.  All are welcome to enjoy our festivities.

Howard County

Howard County Greenfest
Saturday, April 12, 10am – 3pm
Howard Community College, SET Building
4950, Campus Dr, Columbia, MD 21044

GreenFest is Howard County’s largest celebration of Earth Day. The event aims to connect residents with the resources that local businesses, non-profits and government provide to help anyone be a good steward to the environment. There will be a native plant sale, document shredding services, rain barrel and compost bin giveaways, and more! To learn more, click here.

Montgomery County

Montgomery County’s 10th GreenFest
Saturday, April 26, 2025 from 11am – 4pm
Marion Fryer Town Plaza,
2424 Reedie Drive, Wheaton, MD 20902

The Montgomery County GreenFest is the largest environmental festival in Montgomery County, MD, and it is made possible by the joint effort of non-profits and government entities, such as the Montgomery County Department of Environmental Protection. To celebrate GreenFest’s 10th anniversary, the first 500 people to register will receive a goodie bag to assist them on their journey to greener living. Don’t miss out!

Click here for more details: Montgomery County GreenFest – Celebrating 10 Years