• Sign-Up for Free Trees in Arlington

    (VA) (EcoAction Arlington) Apply to have a tree planted on your property. All private property in Arlington is eligible to have a native tree planted on the property through EcoAction Arlington's Tree Planting Program. Applications are open until January 14th, 2026!

  • Apply for a Free Tree in DC

    (DC) (Casey Trees) Get Free Trees to accentuate your home with a beautiful shade tree at no cost. To register, submit an application with Casey Trees and one of their professional Urban Foresters will be in touch to start your process.

  • The Joy of Observing Insects (Virtual)

    (DC) (Smithsonian Associates) Insects are the most abundant animals on the planet—representing about 80% of all animal species on Earth. They are also the least observed. Naturalist Eric R. Eaton is on a mission to inspire you to watch more bugs and share what people can do to keep these critters thriving. He will highlight the basic tools for watching ...

    $20 – $30
  • Snails of the Potomac River (Virtual)

    (MD) (Natural History Society of Maryland) The Potomac River is a snail haven, home to almost half of these known species. In this presentation, Aydin Orstan, Ph.D. will report on his recent two-year snail survey, which added three more species to the list: Cipangopaludina cf. japonica, Gillia altilis, and Laevapex fuscus.  Aydin will introduce the snails, including the largest native species, Campeloma decisum, with shells up to 1.3 inches ...

    Free – $5
  • Exploring the World of Plants (Virtual)

    (VA) (Virginia Native Plant Society) We rely on plants for food, shelter, and many other functions. We learn early that they convert sunlight to energy, but we often remain largely “plant blind”, allowing them to form a backdrop for our lives with little understanding or appreciation. This program will lead us on a journey to consider research and discussions over ...

  • Exhibit: In Full Flight

    Capital Hilton 1001 16th Street NW, Washington, DC, United States

    (DC) (DC Bird Alliance) Experience breathtaking bird images by DC Bird Alliance photographers at the new La Galerie on K at the Capital Hilton. See local birds and birds captured during travel by DCBA members. On view through February.    

  • Senior Wellness Walk in Deanwood

    Deanwood Recreation Center 1350 49th St NE, Washington, DC, United States

    (DC) (Department of Parks and Recreation) Just 30 minutes every day can increase cardiovascular fitness, strengthen bones, reduce excess body fat, and boost muscle power and endurance. It can also reduce your risk of developing conditions such as heart disease, type 2 diabetes, osteoporosis and some cancers. Participants will enjoy group walking around the neighborhood, around the park, or just ...

    Free – $25
  • Lunchtime Meditation and Mindfulness (Virtual)

    (DC) (Smithsonian Asian Art Museum) Join our free online guided meditation on Tuesdays and Fridays. In these 30-minute sessions, DC-based meditation teachers lead a variety of mindfulness practices. Friday sessions take inspiration from art in our museum’s collections. Many of the art pieces are inspired by nature. All are welcome! No previous experience is required.