Events

Treelay Site 4: Abbotstown Park, PA

Join the Treelay, our 24-hour tree relay planting marathon! At this site in Abbotstown, we will be planting 682 trees. What to wear & bring Please dress for the weather, we are rain or shine! Volunteers need to wear long pants, clothes that can get dirty, and close-toed shoes (boots...

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...

36th Annual Potomac Cleanup & Open House

Alice Ferguson Foundation's Hard Bargain Farm 2001 Bryan Point Rd, Accokeek, Maryland

Do you want to make a difference for the environment and help ensure we all have clean drinking water? We welcome you to join us Sat April 6, 9 am–2 pm, for the 36th Annual Potomac River Watershed Cleanup and Open House hosted by the Alice Ferguson Foundation located in...

Science Tuesday: City of Rockville’s Water Treatment Plant

Take a guided virtual tour of the City of Rockville Water Treatment Plant. Get an in depth look of the facilities, equipment, treatment and testing that are used to provide water to our customers taps. Learn how the facility is able to exceed EPA and MDE standards each and every...

Kappe Lecture: A conversation on sustainable infrastructure for water and health

George Washington University 2121 I St. NW, Washintgon, D.C.

* This is a reschedule of the event previously scheduled for 1/19 which was postponed due to snow storm * Billions worldwide and millions in the U.S. suffer from inadequate sanitation. How do we address these WaSH challenges with innovation? Join us at the GWU Science and Engineering Hall for...

Museum on Tap: Year of the Cicada

2024 is turning out to be the Year of the Cicada. There are many cicada landmarks this year, and it is the first time since 1803 that broods 13 and 17 will co-emerge. Learn more about this phenomenon with area naturalist and historian Clarence Hickey. The Gaithersburg Community Museum partners...

Free

Washington Post “This is Climate” Summit

Humanity is entering a new climate era. The peril and promise of record-breaking temperatures, unprecedented investments in clean energy and a growing public recognition of the effects of global warming are shaping the future of the planet. On Thursday, April 11, join Washington Post Live for a compelling and high-powered...

Free

The Arts & Our Environment

Fort Washington 13551 Fort Washington Rd, Fort Washington, MD

Help us to keep our local parks clean by joining us for a community service clean-up and a creative art session. TICKETS ARE FREE! Time & Location 13-Apr-2024, 10:00 am – 1:30 pm Fort Washington, 13551 Fort Washington Rd, Fort Washington, MD 20744, USA About the event With Earth Day...

RiverRenew Tunnel Completion Open House

The subterranean star of the RiverRenew program has completed her two-mile-long journey to protect Alexandria’s waterways! Join AlexRenew for a celebratory open house on April 13 to meet the team and get a once-in-a-lifetime photo opp with Hazel the TBM. The event is open to all ages and is pet...