Rock Creek Extreme Cleanup

Various locations

For the past 14 years, thousands of volunteers have come together to support the Rock Creek Conservancy's people-powered restoration efforts at the Rock Creek watershed through our annual Rock Creek Extreme Cleanup! The 2024 Extreme Cleanup will kick off with numerous events on the morning of April 6th, followed by...

DEA National Prescription Take-Back Day

Various locations

The drug overdose epidemic in the United States is a clear and present public health, public safety, and national security threat. DEA’s National Prescription Drug Take Back Day reflects DEA’s commitment to Americans’ safety and health, encouraging the public to remove unneeded medications from their homes as a measure of...

2024 Oxon Cove Earth Day River Cleanup

Oxon Hill Farm Oxon Hill, MD

Join Potomac Riverkeeper Network and our partners as we bring our communities together to celebrate Earth Day by giving back! We welcome volunteers of all ages to help remove single-use plastics and trash that has accumulated along the shoreline of Oxon Cove and Oxon Run. Please be prepared and dress...

Montgomery County GreenFest

Blackrock Center for the Arts Germantown, MD

Blackrock Center for the Arts, Germantown, MD   The Montgomery County GreenFest is the largest annual environmental festival in Montgomery County, MD. GreenFest is organized by a coalition of public and non-profit partners. Leap into action this 2024 and join us at GreenFest 2024 where people of all ages come...


Nature Center Pop-Up

Rock Creek Regional Park 15700 Needwood Lake Circle, Rockville, MD

We are bringing the nature center to you! Each season’s pop up has a different theme. Come talk with a naturalist about the park, explore some natural objects, ask questions and try out biology-themed activities. This is a walk-up event providing a 20 to 30 minute experience. Stay to play...


BioBlitz at Mallows Bay

Mallows Bay Nanjemoy, Maryland

Mallows Bay-Potomac River National Marine Sanctuary is joining the City Nature Challenge! The City Nature Challenge is a global citizen science event with a focus on urban areas. Residents throughout the Washington DC metro area will explore local parks, backyards, and neighborhoods to observe the wild plants, fungi, and animals that share our environment....


Water Quality Monitoring and Protection


We all know that water is vital for the health and wellbeing of the people, wildlife, and ecosystems of Virginia. The Virginia Department of Environmental Quality (DEQ) is responsible for monitoring, protecting, and improving the quality of the water in the Commonwealth. This webinar will teach you the basics of...

Sligo Creek Fest

Sligo-Dennis Avenue Park 10200 Sligo Creek Parkway, Silver Spring, MD

Walk, Run, Hike, Stroll, Roll, Bike your way to Sligo Creek Fest Put on your walking shoes, grab your bikes, skateboards, and scooters, and experience Montgomery Parks Open Parkways like never before at Sligo Creek Fest. On Saturday, May 4 from 11 am to 3 pm, at Sligo Creek Open Parkway situated...