All Day

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.

Winter Bird Walk at the National Arboretum

U.S. National Arboretum 24th & R St NE, Washington DC

(DC) (Friends of the National Arboretum) Join FONA & DC Bird Alliance this winter for the best birding! Winter is the perfect season to observe our feathered friends. With the trees bare and migratory birds lingering, this is a unique opportunity to spot birds more easily and connect with fellow bird enthusiasts. Experienced members of the DC Bird Alliance will ...

Winter Waterfowl Watch at Occoquan

Occoquan Bay National Wildlife Refuge 14050 Dawson Beach Rd, Woodbridge

(VA) (Northern Virginia Bird Alliance) Join us for a winter waterfowl watch at the beautiful Occoquan Bay National Wildlife Refuge, “an oasis for migratory birds and busy city residents seeking a quiet escape from development.” On this guided walk, you’ll explore the refuge’s diverse waterfowl species with naturalist Andreas Seiter.

Potomac Cleanup for MLK at Anacostia Park

Anacostia Park 1900 Anacostia Dr, Washington DC

(DC) (Potomac Conservancy) Join Potomac Conservancy, Friends of Anacostia Park, and Black Girl Environmentalist for Martin Luther King Jr. Day of Service trash cleanup at Anacostia Park (DC). Make a huge difference for the Potomac River as we turn to the water for a safe, healthy place to recreate outdoors and celebrate Martin Luther King Jr. legacy. Sign up today ...

Potomac Cleanup for MLK at Aspen Hill Park

Aspen Hill Local Park 5013 Baltic Avenue, Rockville

(MD) (Potomac Conservancy) Join Potomac Conservancy, Rock Creek Conservancy, and Montgomery Parks for Martin Luther King Jr. Day of Service trash cleanup at Aspen Hill Park. Make a huge difference for the Potomac River as we turn to the water for a safe, healthy place to recreate outdoors and celebrate Martin Luther King Jr. legacy. Sign up today to make ...

Potomac Cleanup for MLK at Jones Point

Anacostia Park 1900 Anacostia Dr, Washington DC

(VA) (Potomac Conservancy) Join Potomac Conservancy for Martin Luther King Jr. Day of Service trash cleanup at Jones Point Park (VA). Make a huge difference for the Potomac River as we turn to the water for a safe, healthy place to recreate outdoors and celebrate Martin Luther King Jr. legacy. Sign up today to make a difference for your hometown ...

Invasive Plants Removal at Potomac Overlook

Potomac Overlook Regional Park 2845 N. Marcey Road, Arlington

(VA) (Arlington Regional Master Naturalists) Do you like working outside? Join community volunteers in protecting the local environment from non-native invasive plants and replacing them with native plants.  This is a continuing project typically held every Saturday to reclaim Potomac Overlook Regional Park from non-native invasive plants. Be sure to come dressed for work, wear long pants, long sleeves, and ...

Ramble with a Ranger at Boulder Bridge

Rock Creek Nature Center 5200 Glover Rd NW, Washington

(DC) (National Park Service) The Boulder Bridge Loop is a ranger favorite: creek views, towering forests, steep ridge climbs, and long enough to feel like you’ve gotten a workout. Join a ranger on this 3.5 mile hike through the diverse trees, traipse across two bridges, and summit the Western Ridge trail all while learning about the park from an expert. ...

Little Critters Nature Play

Smithsonian's National Zoo 3001 Connecticut Avenue, NW, Washington

(DC) (Smithsonian National Zoo) Come shelter from the cold with us! Join us for creative, drop-in play at the Zoo as we explore how animals stay warm throughout winter.  Little Critters: Nature Play is designed for ages 0-5 and their caregivers and families. Activities are designed with early learners in mind, but all ages are welcome.

MLK Day: Cleanup at Carter Barron

Carter Barron Amphitheatre 4850 Colorado Ave NW, Washington DC

(DC) (Rock Creek Conservancy) Please join Rock Creek Conservancy and the National Park Service, and for our cleanup of the Carter Barron amphitheater. We will remove debris, paint, clear leaf litter, weed, sweep, and trim back invasive plants, helping preserve the amphitheater while it awaits future restoration. This is a unique opportunity to get a 'behind the scenes' look at ...

Invasive Plants Removal at Dyke Marsh

Dyke Marsh Alexandria

(VA) (Friends of Dyke Marsh) Help protect native plants by pulling and clipping invasive plants. We will train volunteers to identify the five or so target plants. We kindly ask that you not bring pets. Invasive plants can threaten and outcompete native plants. Bring gloves, hand clippers and water. We will supply instructions, examples and trash bags.

MLK Day of Service at Sligo Creek

Sligo Creek Stream Valley Park Silver Spring

(MD) (Friends of Sligo Creek) Join in one of the 6 volunteer Park Cleanups or Weed Warrior Workdays celebrating MLK Day! Give back to your community, help beautify our green spaces, keep litter out of our streams, and protect wildlife.

The Natural World of Winnie-The-Pooh (Virtual)

US Botanic Garden 100 Maryland Ave SW, Washington DC

(DC) (US Botanic Garden) A.A. Milne’s Winnie-the-Pooh stories have enchanted generations with their whimsical characters, gentle humor, and deep connection to the natural world. Join Kathryn Aalto, historian, teacher, speaker, and New York Times best-selling author as she transports audiences to the real-life Ashdown Forest, the inspiration for the Hundred Acre Wood, through her book “The Natural World of Winnie-the-Pooh.”

MLK Weed Warrior Workday at Rock Creek Regional

Rock Creek Regional Park 6700 Needwood Rd, Derwood

(MD) (Montgomery Parks) Save the trees, protect the stream valley ecosystem, and celebrate Martin Luther King Jr. Weekend of Service. Join Weed Warrior Supervisor Monica for a non-native, invasive plant removal workday. We will focus on non-native, invasive vines and shrubs, including roundleaf bittersweet, porcelainberry, Japanese barberry, and multiflora rose. Please note, the barberry and multiflora rose have thorns!

MLK Day: Invasive Plant Removal at Picnic Grove 1

Rock Creek Picnic Grove #1 2401 Tilden St NW, Washington

(DC) (Rock Creek Conservancy) Join Rock Creek Conservancy, the National Park Service, and Weed Warrior Leader Danna McCormick for this invasive plant removal restoration event in Rock Creek Park. Invasive plants are a major threat to our fragile forests, and stopping their spread helps allow native plants to thrive in the understory.

Make a Suncatcher

Black Hill Discovery Center 20926 Lake Ridge Drive, Boyds

(MD) (Montgomery Parks) Drop by the Discovery Center and have some fun! We’ll have easy-to-make seasonal crafts that you can make and take home. Today we’ll be making suncatchers.

$2

Winter Crow Watch

Shirlington Library 4200 Campbell Avenue, Arlington

(VA) (Northern Virginia Bird Alliance) Join us and our partners at DC Bird Alliance for a Winter Crow Watch at the Shirlington roost in Arlington, VA. You’re in for a show as the crows gather here in numbers so large it actually appears on radar! Here we'll have binoculars and scopes for participants to use to view the crows as ...

Campfire Saturday and Stargazing

Lake Fairfax Park 1400 Lake Fairfax Drive, Reston

(VA) (Fairfax County Parks) Enjoy a stroll along the lake shores and learn about the constellations, their stories and other night-sky features. Our astronomical naturalist will identify the stars and will have some telescopes to use. The program concludes with a campfire. S'mores ingredients provided. Ages 3 to Adult.

$12

The Disappearance and Persistence of Bees (Virtual)

(VA) (Loudoun Wildlife Conservancy) The demise and disappearance of bees is well documented, yet bees still persist. Wildlife biologist Sam Droege shares a more nuanced look at the current state of native bees based on his research. This presentation is co-sponsored by the Loudoun County Public Library.