• Harvest Full Moon

    This year, September’s Full Harvest Moon will peak in illumination at 12:49 pm. It will be below the horizon at this time, so be sure to watch for it after sunset… it will be hard to miss! The full Moon names used by The Old Farmer’s Almanac have different origins, including Native American, Colonial American, and European sources. Traditionally, each full ...

  • Invasive Species Removal at Langdon Park

    Langdon Park Recreation Center 2901 20th St NE, Washington DC, United States

    (DC) (Casey Trees) Join CCAN, The Langdon Park Forest Stewards, and Casey Trees to get outside and remove invasive plants! Take part in the exciting Assisted Natural Regeneration efforts happening to restore the forest at Langdon Park in NE DC. We will meet at the parking lot of the Langdon Park Rec Cente. We will start with a brief training ...

  • Rock Creek Park Tree Tour with Melanie Choukas Bradley

    Picnic Grove #6 696 Beach Drive Northwest, Washington, DC, United States

    (DC) (Casey Trees) Join naturalist and author Melanie Choukas-Bradley for a guided walk through the rich landscapes of Rock Creek Park. This Field Session is a part of the 2026 Urban Tree Summit, hosted by Casey Trees and Montgomery Parks. The immersive tour invites participants to slow down and observe the intricate relationships between native trees, understory plants, and wildlife. ...

    $15
  • Late Skate at Anacostia Park

    Anacostia Park Skating Pavillion 1500 Anacostia Dr SE, Washington, DC, United States

    (DC) (Friends of Anacostia Park) Come get your skate on! Join Friends of Anacostia Park, the National Park Service, and our community partners for a day of music, recreation and kinship in DC's most storied skating venue.

  • Mussel Release in Kenilworth Lake

    Kenilworth Aquatic Gardens 1550 Anacostia Ave, NE, Washington DC, United States

    (DC) (Anacostia Watershed Society) Volunteers will help AWS to release freshwater mussels into the Anacostia River! In 2018 we started a mussel propagation project partnering with the Harrison Lake National Fish Hatchery run by the U.S. Fish and Wildlife Service in Virginia collecting local broodstock from the Anacostia River. Volunteers are critical to keep this project going and to meet ...

  • Guided Bird Walk at Hillwood

    Hillwood Estate 4155 Linnean Avenue, NW, Washington, DC, United States

    (DC) (Hillwood) Join a birding expert from the DC Bird Alliance as they guide you through the gardens, sharing information about the local population and pointing out beautiful birds along the way. Learn more about the lush wildlife that makes up our Hillwood ecosystem and how it interacts with the local D.C. area, as well as our sustainability efforts here ...

    $10 – $20