All Day

Urban Tree Summit

Silver Spring Civic Center One Veterans Place, Silver Spring

(DC) (MD) (VA) (Casey Trees) Casey Trees and Montgomery Parks present the 13th annual Urban Tree Summit (UTS). Conference presentations will focus on the health and welfare of trees in our increasingly developed landscapes. We encourage all arborists, landscape industry and environmental/green industry professionals, engineers, designers, housing developers, and interested citizens to take advantage of this opportunity to learn from experts, ...

$49 – $150

Weed Warrior Workday at Willard Park

Willard Ave Neighborhood Park 4915 River Road, Bethesda

(MD) (Montgomery Parks) Join Sarah, Weed Warrior Supervisor, for a non-native, invasive plant removal workday at Willard Avenue Neighborhood Park.  

Free

Exhibit: Recovering Our Night Sky

Smithsonian National Museum of Natural History 1000 Madison Drive NW, Washington

(DC) (Smithsonian Natural History Museum) What do brighter nights mean for people and wildlife? Through over 100 photographs, nearly 250 objects, interactive experiences, tactile models, and a theater program, discover why dark nights matter, rekindle your connection with the night sky, and consider how much light at night is enough—for whom, for what purpose, and who gets to decide? Open ...

Free

Adaptive Gardening 101

Black Hill Discovery Center 20926 Lake Ridge Drive, Boyds

(MD) (Montgomery Parks) Gardening has been proven to improve physical health, mental wellness, and cognitive ability! Join us for this 5-session series to learn how to grow native plants, herbs, or vegetables. This program is designed to support aspiring gardeners with disabilities. We will supply guidance and all materials, including accessible garden beds, worktables, and ergonomic garden tools.

$30

Yoga on the Magnolia Terrace

Carlyle House Historic Park 121 N. Fairfax Street, Alexandria

(VA) (NOVA Parks) Join our yoga instructor for an hour long Yoga Class on Carlyle House’s Magnolia Terrace. A gentle flow yoga class. We will build heat with sun salutations then progress to balance, deep stretching and finally relaxation. Please bring water, a towel, and yoga mat. Wear comfortable yoga wear.

$10

Love Birds Walk and Mixer (Straight)

Meridian Hill Park 16th Street & W Street NW, Washington

(DC) (DC Bird Alliance) Want to meet your love bird? Join DCBA for a special bird walk and singles mixer! (Use this event link to sign up if you're straight!)

$15

Love Birds Walk and Mixer (Queer)

Meridian Hill Park 16th Street & W Street NW, Washington

(DC) (DC Bird Alliance) Want to meet your love bird? Join DCBA for a special bird walk and singles mixer! (Use this event link to sign up if you're queer!)

$15

Virginia Tidal Freshwater Marshes (Virtual)

(VA) (Virginia Native Plant Society) Join us for an informative presentation about the Virginia tidal freshwater marshes by Maeve Coker. Maeve Coker earned her Bachelors in Fisheries and Wildlife Biology from California University of Pennsylvania. She has spent several years working with nesting shorebirds for The Nature Conservancy on the Virginia Barrier Islands, and currently works as a Biological Technician ...

Moth Mania at Aldie Mill

Aldie Mill Historic Park 39401 John Mosby Hwy, Aldie

(VA) (NOVA Parks) Join NOVA Parks Roving Naturalist Matt Felperin on a quest to capture and identify these nocturnal fliers using bedsheets and blacklights. While butterflies usually get most of the attention as beautiful flying insects and key pollinators, moths are more critical to the ecosystem than most realize! There are ten times as many moths in the world than ...

$7
Capital Nature