Festival | 511 Contra Costa

Contra Costa Earth Day Events 2023

Earth Day Events

All Month

  • Iron Horse Trail or Online: Go With The Flow – A biking (or walking) tour of Central San’s service area, following the flow of wastewater for 21 miles along the Iron Horse Regional Trail from San Ramon to Martinez. Explore all or part of the route in person, or travel it virtually with the guided map tour.
  • Lafayette, Moraga, Orinda: Lamorinda Zero Waste Challenge – A fun, free and friendly competition between the cities of Lafayette, Orinda, and Moraga. Sustainable Contra Costa will provide a weekly set of two simple and impactful actions. Each time a participant submits an action shot, they’ll be entered into that week’s drawing for amazing local gift cards. April 3-May 14.

Saturday, April 15

  • El Cerrito: El Cerrito Earth Day & Appreciation Lunch – Residents can volunteer at work parties across the city, helping clean up and beautify the city, starting at 9am, followed by a volunteer appreciation luncheon at the El Cerrito Community Center from noon to 1:30pm.
  • Online: Bringing Back the Natives Garden Tour – In a series of live garden visits passionate garden owners will take you on private tours of their gardens. In addition, you can learn about the must-have plants for your garden, how to create a pollinator pathway, how to garden for birds, butterflies and bees, and more. 10am-3pm, Zoom or YouTube.

Sunday, April 16

  • Online: Bringing Back the Natives Garden Tour – In a series of live garden visits passionate garden owners will take you on private tours of their gardens. In addition, you can learn about the must-have plants for your garden, how to create a pollinator pathway, how to garden for birds, butterflies and bees, and more. 10am-3pm, Zoom or YouTube.

Saturday, April 22

  • Antioch: RecycleSmart Annual Compost Giveaway – Alamo, Diablo, Danville, and Walnut Creek residents can register in advance to pick up free compost at Creekside Community Church in Alamo. 9am-2pm.
  • East Bay Regional Parks: Visit the EBRPD Earth Day Programs & Activities Page to see what outdoor events are happening Earth Day weekend.
  • El Sobrante: Earth Day Cleanup & Celebration – Join the El Sobrante/94803 Green Team and SPAWNERS at the El Sobrante Library for their annual cleanup and celebration. Sign in and join Green Teams to clean up streets or SPAWNERS to clean up creeks. A celebration will follow the cleanup, featuring food, children’s art activities, entertainment, speakers, electric car and bike demos, and more. Cleanup 9:30am-12pm / Celebration 12-2pm, El Sobrante Library.
  • Martinez: John Muir Birthday – Earth Day – A wonderful fun-filled family day in the sun, at the grounds of the John Muir National Historic Site, which includes his 1880s Victorian home and an authentic 1849 Mexican Adobe, along with his orchards and vineyard. There will be food and live music along with many displays relating to history, ecology, and nature. 10am-4pm, John Muir Historic Site.
  • Martinez: Earth Day Rocks – The Martinez Public Library is hosting a make-and-take craft event for teens and tweens all day (9am-5pm) Saturday, April 22. For each participant, they will supply a rounded rock, 3 paint colors, and a paintbrush, which they can use to paint animal faces, a flower, an insect, a message to the earth or whatever else they like. 9am-5pm, Martinez Library, 740 Court St.
  • Oakley: Earth Day Community Clean-Up at Dutch Slough – River Partners and the California Department of Water Resources are hosting a community clean-up event at Dutch Slough Tidal Marsh Restoration. This is a great opportunity to connect with nature, get your hands dirty, and learn about the beautiful freshwater tidal marsh. RSVP required. Bring a water bottle, work gloves, sturdy shoes, a hat, and layers. 9am-12pm, Dutch Slough Tidal Marsh Restoration, 7199 Sellers Ave.
  • Pinole: Pinole Earth Walk – A three-mile paved loop walk beginning and ending in Fernandez Park. Snacks and refreshments will be provided at the finish line, and there will be kids’ activities and local environmental organizations to connect with. 9am, Fernandez Park.
  • Pinole: Point Pinole Beach Cleanup – Join the East Bay Regional Park District to celebrate Earth Day at Point Pinole with a shoreline Cleanup. 9am-12pm, Giant Highway Staging Area.
  • Pleasant Hill: Pleasant Hill Instructional Garden – Expert talks, informative displays, a garden tour, and hands-on demonstrations to understand how small efforts can make a difference to help the Earth, reduce our impact on climate change, and improve sustainable practices. 12:30-4:30pm, Pleasant Hill Instructional Garden, Santa Barbara Rd & Hawthorne Rd.
  • Richmond: Earth Day Celebration // Celebración del Día de la Tierra – This celebration honors the achievements of the environmental movement and raises awareness of the need to protect Earth’s natural resources. 9-11:15am: Different volunteer activites at 3 locations. 12-1pm: Community celebration at Unity Park with games, speakers, bike-powered smoothies, a petting zoo, food trucks, and live music. Unity Park (1605 Ohio Ave).
  • Richmond: Richmond-San Rafael Bridge Trail Ride – Rich City Rides will lead a ride across the Richmond-San Rafael Bridge to honor Earth Day and celebrate Trails Day. Meeting at the Richmond BART plaza at 2:30pm and rolling out at 3pm. 3pm, Richmond BART.
  • Richmond: The Watershed Project’s Earth Day of Action and Celebration – The Watershed Project will be hosting a Creek Cleanup at Wildcat Creek and a Native Plant Garden Planting at 320 Grove Ave, then moving to the North Richmond Ballpark for celebrations and family-friendly games and activities. 9am-12:30pm.
  • Walnut Creek: Walnut Creek Earth Day. Live music, speakers, and a kids’ eco art zone. Civic Park, 11am-2.
  • Walnut Creek: Broadway Plaza’s Earth Day Celebration – Take the pledge to use reusable bags each time you shop and receive a free reusable shopping bag then get to visit the Pixie Pop-Ups Flower Truck to build your own beautiful bouquet. There will also be face painting for the kids. 11am-3pm, Event Plaza at Broadway Plaza.
  • Walnut Creek: Downtown Earth Day Beautification Project – Join a team of over 60 volunteers and show off your artistic side by contributing to the “Painted Pianos!” project. 9am-1pm, Downtown Walnut Creek.
  • Walnut Creek: Parkmead Neighborhood Earth Day Cleanup – Meet at the Tice Creek Elementary School parking lot from 9-11:30am. Groups will head out on pick-up routes that will hit the highest litter areas, including Olympic, South Main, Tice Creek and Parkmead Schools. 9-11:30am, Tice Creek Elementary.
  • Walnut Creek: Unity of Walnut Creek – Tending Our Sacred Grounds – During the event, volunteers can enjoy an Earth Day ceremony, clean up the grounds including the Labyrinth at 1871 Geary Rd and feel free to bring a potluck item to join others who care about the environment. 1:15-3:30pm Cleanup projects. 4-5pm: Plant-based potluck. 1-5pm, Unity Center of Walnut Creek, 1871 Geary Rd.

Sunday, April 23

  • Concord: Lime Ridge Open Space Earth Day Celebration – Volunteers are needed to plant native trees, shrubs, and wildflowers, as well as to work watering, picking up litter, removing invasive non-native plants, and spreading mulch. There will be a nature walk also. Bring gloves. 9am-12pm, Lime Ridge Open Space Community Building, 3701 Treat Blvd.
  • Emeryville: Shorebird Park Shoreline Cleanup – Come on out Sunday any time from 9am-noon. Snacks and refreshments provided. Meet at Shorebird Park. As always, bring what you can (e.g. gloves, grabber, garden digging claw). Organizers will have limited supplies for those who show up without any of the above. Shorebird Park, 9am-noon.
  • Lafayette: Lafayette Earth Day Festival – Learn how you can help our planet at a family-friendly festival featuring kids’ activities, educational exhibits, a petting zoo, food vendors, and more. Lafayette Plaza Park, 11am-2pm.

Free Richmond Ferry Fest – June 11

Enjoy free ferry rides, live music, food trucks, and more at the first-ever Richmond Ferry Fest on Saturday, June 11. The outdoor festival will take place at the Richmond ferry terminal from 9am to 3pm. It’s free to attend and all are welcome. Registration is recommended.

What to Expect: Food trucks, live music, free harbor ferry rides, local vendors, raffles and giveaways. Bike East Bay will host a free Bike Rodeo (safety class) for kids. The Richmond Promise 5K happening on June 11 will end at the Richmond Ferry Fest.

Getting There: If you’re traveling by bike, you can use the Bay Trail to get to the Richmond Ferry terminal. AC Transit’s Route 74 can drop you right at the event. For those who drive, overflow parking will be provided.

More Information: For full details on the Richmond Ferry Fest, visit the official event page.

Contra Costa Earth Day Events 2022

Earth Day Events

Wednesday, April 20

  • Richmond: Drive Electric Event and E-Shuttle Launch – Join the City of Richmond for an outdoor event celebrating Earth Day and driving electric. The event will feature the official launch of Richmond MOVES, the city’s first electric on-demand shuttle service. The celebration will also offer attendees opportunities to learn about financing and rebate options for electric vehicles and electric bikes. Get information about the city’s various electric mobility programs, and meet electric vehicle owners and check out their vehicles. Richmond Civic Center, 450 Civic Center Plaza, 11:30am-1pm.

Friday, April 22

Saturday, April 23

  • East Bay Regional Parks: In-Person Volunteer Projects – Since 1970 people have been celebrating the environmental movement by participating in volunteer events on and around Earth Day. Volunteer events in parks on April 23 include ones in Richmond and Oakley. Locations: Big Break, Point Pinole, Wildcat Canyon.
  • Orinda: Miramonte HS Campus Cleanup – Take part in a campus-wide cleanup and beautification day. Volunteers are needed to work shifts of two or four hours between 9am and 1pm. Both gardening and clean-up projects will be tackled. Miramonte HS, 750 Moraga Way, 9am-1pm.
  • Richmond: Earth Day at Greenway Gardens – Celebrate with activities for the entire family, including mural painting, planting a flower garden, beautifying the playground, and watershed swale planting and weeding. Unity Park Community Plaza, 16th St & Ohio Ave, 10am-2pm.
  • Richmond: Verde Elementary SR2S Paint Day – Volunteers will paint sidewalks from Verde School to Shields-Reid Center with stencils. Tools will be provided. Free food for volunteers. 2000 Giaramita St, 3-5pm.
  • Richmond: Wildcat Creek Cleanup – Show your love for the earth by helping to restore Wildcat Creek. Join friends and neighbors in removing trash and debris that harms wildlife and learn about plans to restore habitat for rainbow trout. Tools and gloves will be supplied. Lucky A’s North Richmond Baseball Field, 1925 Fred Jackson Way, 9am-11am.
  • Walnut Creek: Earth Day at the Ruth Bancroft Garden – Celebrate Earth Day at the Garden on April 23. Water conservation and sustainability have always been a part of the Garden’s mission, and they want to spend Earth Day with the community. This is a free event that is open to the public, so feel free to bring your friends, family, and pets. Ruth Bancroft Garden, 1552 Bancroft Rd, 10am-1pm.
  • Walnut Creek: Broadway Plaza’s Earth Day Celebration & Denim Drive – Join Broadway Plaza for an Earth Day Fair focused on raising awareness about the importance of protecting our planet. The Assistance League of Diablo Valley (ALDV) will be hosting a denim drive at the event. Bring your gently used denim and receive a reusable tote bag, while supplies last. Event Plaza, 1275 Broadway Plaza, 11am-2pm.

Saturday, April 30

  • Lafayette: Lafayette Earth Day Celebration – Learn how you can be a hero for our planet at a family-friendly festival featuring kids activities, educational exhibits, a petting zoo, an electric vehicle show, food vendors, and more. Golden Gate Way by the Lafayette Library, 11am-2pm.



2019 Earth Day Events

Earth Day is Monday, April 22! We’ve pulled together a list of Earth Day celebrations in Contra Costa, happening through Sunday, April 28.

If you see a ☀ next to an event listing, it means 511 Contra Costa staff will have a table at the event. Say hello, pick up some 511CC swag & get info on bonuses for trying an alternative (and environmentally friendly) commute.

Click any link below for additional information

Earth Day Events

Saturday, April 20

  • AntiochUpper Sand Creek Basin – Spend the morning in the beautiful Upper Sand Creek watershed, exploring an area that is usually closed to the public. Volunteer activities include trash pickup, invasive species removal, and planting native flora. Upper Sand Creek Basin, 6600 Deer Valley Rd, 9am-12pm.
  • Clayton: Clayton Cleans Up – Community clean-up day; volunteers check in at Clayton City Hall. Various locations. 9am-12pm (Must complete registration form; for more info call the Pioneer at (925) 672-0500.
  • Crockett: Crockett Shoreline Cleanup – Join the Carquinez Watershed Council in a celebration of Earth Day. The Carquinez Regional Environmental Education Center will be hosting a free planting party for the whole family; volunteers will be cleaning up trash and doing a trash assessment at the site. Crockett Shoreline, 10am-2pm.
  • Martinez ☀: John Muir Birthday–Earth Day Celebration511CC staff will be giving each person who bikes to the event a $5 Jamba Juice gift card. Celebrate pioneering naturalist John Muir’s 181st birthday at his former home while learning practical ways to help the planet thrive. There will be live music, activities for the kids and other entertainment. John Muir National Historic Site, 10am-4pm. 511CC giving people who bike to the event $5 Jamba Juice gift cards
  • Port CostaPort Costa Earth Day Cleanup – Meet at the café in Port Costa for coffee and snacks in the morning, followed by an Earth Day cleanup of the Port Costa Shoreline! 2 Canyon Lake Dr, Port Costa, 9am-12pm.
  • RichmondNorth Richmond Earth Day Cleanup & Celebration – Help clean up Wildcat Creek at Verde Elementary School. After the creek cleanup, enjoy the North Richmond Earth Day Celebration at Shields-Reid Park and Community Center including food, live performances, kids activities, and more! The Watershed Project will be hosting fun and educational watershed activities for kids of all ages. Cleanup 9-11am, festival 11am-2pm.

Sunday, April 21

Monday, April 22

  • Pleasant Hill ☀: Diablo Valley College Earth Day – Meet the experts, ask questions, and learn what you can do to be more sustainable. Live entertainment, giveaways, and free food. 511CC staff will have prizes and information on how students can earn rewards for everyday transportation with the Miles app. All are welcome. Commons at DVC, 321 Golf Club Rd, 11am-2pm. 

Tuesday, April 23

  • Pleasant Hill ☀: Kaiser Permanente Walnut Creek Earth Day CelebrationA day of ecologically oriented fun including a recycling contest! All ages welcome. Kaiser Permanente Medical Center – Main Courtyard, 1425 S Main St, Walnut Creek, 11:30am-1:30pm.

Wednesday, April 24

  • Concord ☀: ASI Earth Week Festival – Celebrate sustainability and Mother Earth on the CSUEB Concord campus! Talk with featured organizations and enjoy music, food, and giveaways. In front of CSUEB Concord University Union, 4700 Ygnacio Valley Rd, 11am-2pm.
  • Moraga: Saint Mary’s Earth Day Festival – Enjoy over 20 booths, including an electric vehicle car show, the Global Gael food truck, yoga, music, art, and more. Celebrate the Earth and learn about environmental issues and solutions. St. Mary’s College, De La Salle Hall, 1928 St. Mary’s Road, 12:30pm-3pm.
  • Pittsburg ☀: Los Medanos College Earth Day Fair – An opportunity to learn about environmental organizations, their work, and how to live in an environmentally friendly way. The Sierra Club will be hosting a table to share information about the work they do and outings they sponsor. Los Medanos College Campus Quad, 2700 E Leland Rd, 10am-1pm.

Saturday, April 27

  • Orinda: Orinda Action Day – A day of community service by residents and friends. Volunteers check in at the Orinda Library Plaza. Orinda Library Plaza, 26 Orinda Way, 10am-12pm.

Sunday, April 28

  • Lafayette: Lafayette Earth Day Festival – Discover opportunities to make environmentally friendly choices at the festival. Several organizations will host informative and educational booths including the Girl Scouts, the Climate Reality Project, and Wheel Kids Bicycle Club. Lucia’s, a popular Berkeley pizzeria, will offer regular, vegan and gluten-free pizzas for purchase. Lafayette Library, 3491 Mt Diablo Blvd, 11am-2pm.
  • Orinda: Wagner Ranch Wildlife Festival – Enjoy free admission to the beautiful historic ranch and 18-acre nature preserve, rarely open to the public. Join a variety of activities for all ages: wildlife fun at the Frog Pond, animals to visit in the garden, tours of the meadows, and live music. You’re also welcome to bring a picnic lunch or visit one of four food trucks. Wagner Ranch Nature Area, 350 Camino Pablo, 11:30am-4:30pm.
  • Walnut Creek: Lindsay Wildlife Experience Eco Fest – Meet wild animals – like falcons and porcupines, check out an electric car showcase, learn about sustainable food choices, and more! Lindsay Wildlife Experience, 1931 First Ave, 10am-5pm.

Monday, April 22 – Saturday, April 27: Cal State East Bay Earth Week

  • Concord: Earth Week is free & open to the public, with events including talks, tree planting days, free lunch (bring your own utensils), a scavenger hunt & more. Check the schedule for times & locations.



GreenFEST Contra Costa 2010 will be held Saturday, August 14

GreenFEST 2010 will be held at the Contra Costa Association of Realtors (CCAR) in Walnut Creek on Saturday, August 14th from 10 AM- 4 PM at:

CCAR Parking Lot
1870 Olympic Boulevard, Walnut Creek

  • This FREE event will feature organic food, music, educational demos, e-waste receptacles, a garden center and kids’ zone.
  • Bring a Food Bank donation and get a spin on the PRIZE wheel. Fantastic prizes and giveaways from Club Sport, Broadway Plaza shops, the sponsors.
  • Trade a Bag program (bring your plastic bags to trade for a cloth shopping bag).
  • There will be FREE e-recycle and document shredding services; recycle your old cell phones.
  • Featured demos and speakers on things like Green Travel, how to be a green business and home improvements that don’t break the bank.

GreenFEST is is a fundraiser for Contra Costa Association of Realtors “Helping Hands”. Helping Hands is a nonprofit that contributes to the Moses Guillory Scholarship Fund, CCAR Scholarship Fund, and other worthwhile causes throughout the area.
For more information, visit the GreenFEST Contra Costa website.

To purchase tickets, call 925.876.0966 or email info@GreenFESTContraCosta.com

Click on the map below to view the venue:

Click here to download a PDF file of the GreenFEST 2010 venue map