Sustainability Events Calendar

Check out our sustainability calendar of events for a wide range of conference, trainings, and programs across the region.  In addition, we post information regarding Sustainable Maryland-sponsored events. You can also post events of interest to the Sustainable Maryland community by clicking on "Add Event" at right.  This link will only appear if you are logged into the website.  Click on "Sign in or sign up" on the top left of this page to log in.

Scroll down this page to see upcoming events listed in date order by category or search for specific events using the filters below.

To access past webinar recordings or download workshop presentations, click on "Past Webinars and Training" at right.

Filter Events by:

Prince George's County Pet Waste Management Summit

March 29, 2018 - 6:00 pm to 9:00 pm

DOE office

Prince George's County Department of Environment 1801 McCormick Drive Conference Room Largo, MD 20774

Sustainable Maryland is pleased to invite you to the Prince George's County Pet Waste Management Summit! This event, on Thursday, March 29, from 6:00-9:00pm in Largo, will offer a unique opportunity for Prince George's County elected officials, municipal staff, Green Teams, civic and homeowners association, and concerned residents to learn more about pet waste management and how they can incorporate pet waste best management practices into their overall sustainability initiatives. Attendees will hear about the County's new Pet Waste Campaign, share best practices, and access resources to start their own local pet waste management program.

Event Type: Conferences

Middletown Green Expo

April 14, 2018 - 10:00 am to 2:00 pm

Middletown Memorial Park

Join Us for a fun filled day Educational Exhibits Electronic Recycling Drop-Off Free Shredding Vendors, Crafts, Music & More!!

Event Type: Other

Bowie Green Expo

April 14, 2018 - 12:00 pm to 4:00 pm

Kenhill Center

The Bowie Green Expo is on April 14th at the Kenhill Center, in Bowie, from noon-4pm. The Bowie Green Expo is a free, family-fun event open to the public that seeks to promote awareness about Green programs and initiatives within the City. Activities include a Kids Zone with make and take activities, live entertainment, electric car display, and over 50 vendors showcasing their environmental friendly products and services. More information can be found at:

Event Type: Other
Event Category: Festival

Chestertown Earth Day Festival

April 21, 2018 - 9:00 am to 10:00 am

Downtown Chestertown, Memorial Row

Family Fun, Food, Recycled Art Contest, Eco-Friendly Goods, Live Music, Electric Vehicles, and more

Event Type: Other

DC Environmental Film Festival

March 15, 2018 to March 25, 2018

Various Venues Throughout The D.C. Area - See Website for More Details

A 2 week long event celebrating films garnered towards environmental topics and issues.

Founded in 1993, the Environmental Film Festival in the Nation’s Capital has become one of the world’s largest and most influential showcases of environmental film and a major collaborative cultural event in Washington, D.C.

Event Type: Other
Event Category: Festival

Thurmont Green Festt

April 21, 2018 - 10:00 am to 2:00 pm

Thurmont Regional Library

A Zero Waste Event Preservation, Conservation, & Wise Use of Resources

Learn about Native Habitats, Environmental Impacts, Food Sources, Reuse, Repurposing & Recycling in a FUN WAY! ALL AGES!
Green Living Ideas, fun nature crafts, animals, learn how to plant a tree, and many green educational tables to visit. Electronic recycling will be available too! If interested in participating contact Cindy at
More information to come!

Event Type: Other

Columbia Area Earth Day Festival

April 22, 2018 - 12:00 am to 12:00 am

Peace Park is located at the north end of the MU campus along Elm St., between 6th & 8th Streets, as well as on the adjacent streets, including 7th, 8th and Elm Streets, Columbia.

Event Type: Other

Hagerstown Earth Day Celebration

April 22, 2018 - 10:56 am to 3:00 pm

22 North Mulberry Street, Hagerstown

We will again have a festival in local park in Hagerstown (TBA) to do various volunteers read stories to kids and parents. Each book will have a STEAM activity or two associated with them! All are welcome and there will be some drinks and some snacks as well!

Event Type: Other

Earth Day on the Square

April 22, 2018 - 12:00 pm to 4:30 pm

22735 Washington Street, Leonardtown, MD

Live animals, hands-on education, eco-friendly products and entertainment come together in the Leonardtown Square, with kayak and boat rides at the Leonardtown Wharf Park.

Event Type: Other

Montgomery County Green Fest

May 05, 2018 - 9:00 am to 5:00 pm

GreenFest is the largest, annual environmental festival in Montgomery County, MD. A free event, GreenFest is a chance for residents, businesses, nonprofits and neighbors, to come together, share ideas and learn. Plus GreenFest has tons of fun activities for the whole family from kids tree-climbing to music and exhibitors.

Event Type: Conferences