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Friday, April 17

Walnut Creek: Green Movie Night: The Story of Plastic –Join us for our 2026 Earth Day Celebration as the Green Movie Night series presents a screening of the impactful documentary The Story of Plastic. In collaboration with Sustainable Walnut Creek, this thought-provoking film explores the global plastic pollution challenge, how recycling systems evolved, and the broader forces shaping our relationship with plastic. Through compelling footage and creative storytelling, it invites us to better understand the issue—and consider what’s possible moving forward. 6pm. Walnut Creek United Methodist Church.

Saturday, April 18

Antioch: Keep Antioch Beautiful Cleanup – Join the City of Antioch and help beautify the community by volunteering to do trash cleanup at the community center or landscaping at the skatepark. After your hard work, enjoy a volunteer appreciation lunch. Volunteer 9-11am, lunch 11am-12pm. Waldie Plaza & Antioch Community Center.
Concord: City of Concord Volunteer Events – A series of hands-on volunteer events across the city offering residents a chance to support parks, plant trees, and help care for Concord’s urban forest. A great way to get outdoors, connect with your community, and make a visible impact on Concord’s green spaces. Sign the waiver to participate. 9am-12pm at the following locations:
- Markham Nature Park (1202 La Vista Avenue): Mulch spreading + nature walk
- Cambridge Park (1135 Lacey Lane): Mulching + tree planting
Pinole: Pinole Earth Walk – Walk for clean air, clean water, renewable energy, and the protection of our health and the countless species that share this Earth with us. Environmental partners will be on-site with activities and educational resources to inspire and empower action. The walking path is approximately 1.5 miles. The walk will begin and end in Fernandez Park, following a paved loop that goes along the Pinole Creek and Bay Trail. Free event. All are welcome. 9-11:30am. Fernandez Park.
Pittsburg: Earth Month Guided Facility Tour – During this guided Earth Month tour, you’ll go behind the scenes at Mt. Diablo Resource Recovery and gain rare access to areas most people never see. See firsthand how they collect and process materials and maximize recycling while minimizing landfilling. Register to attend. 8-10am. MDRR Education Center.
Richmond: North Richmond’s Earth Day: Wildcat Creek Cleanup – Help improve local green spaces, support a healthier environment, and connect with like-minded individuals to inspire collective action for a sustainable future. 9-11am. Lucky A’s Park, North Richmond.

Wednesday, April 22

San Pablo: Contra Costa College Earth Day – Discover sustainability-friendly resources, connect with local programs, and enjoy fun activities. 10am-1pm. Contra Costa College Main Quad Area.
Pleasant Hill: *Students Only* Diablo Valley College Earth Day. 12-2pm. DVC Commons.

Thursday, April 23

Pleasant Hill: Pleasant Hill Earth Day Celebration – Enjoy an evening of environmental demos and activities with the City of Pleasant Hill. More than a dozen vendors will set up alongside the great food trucks of Off the Grid to provide a fantastic night of family activities. There will also be live animal displays from Lindsey Wildlife, a demonstration hive from the Mt. Diablo Beekeepers, and more. 5-7pm. Pleasant Hill City Hall.

Friday, April 24

Bay Point: Earth Day Farm Festival – Come to the Pacifica Garden Farm for a Friday afternoon of outdoor activities celebrating healthy living and our connection to Earth. Harvest, plant, taste, and cook with the folks at the Farm. There will be tours, music, health stations, and a nopales photo. 2:30-5:30pm. Pacifica Garden Farm, on the campus of Rio Vista Elementary.

Saturday, April 25

Concord: City of Concord Volunteer Events – A series of hands-on volunteer events across the city offering residents a chance to support parks, plant trees, and help care for Concord’s urban forest. A great way to get outdoors, connect with your community, and make a visible impact on Concord’s green spaces. Sign the waiver to participate. 9am-12pm at the following locations:
- Willow Pass Park (2748 E. Olivera Road): Tree planting + mulching
- Brazil Quarry Park (Kent Way): Fence repair, mulching + tree planting
- Lime Ridge Open Space (3701 Treat Boulevard): Mulching, weeding + litter removal
- Hillcrest Community Park (Grant Street & Olivera Road): Creek cleanup
Crockett: Earth Day Cleanup in Crockett – Celebrate Crockett’s 6th Annual Earth Day with a waterfront cleanup from 10am to 1pm. Toss on your boots and gloves and help the CCRCD make a difference! Cleanup 10am-1pm, Crockett Waterfront.
El Cerrito: Earth Day Work Parties – You’re invited to join a work party and help beautify El Cerrito’s natural areas. The City will provide volunteers with gloves, bags and tools for their work party activity. Participants are encouraged to dress for the weather, wear sunscreen, and bring water bottles. Snacks will be provided. Choose from the following work parties:
- El Cerrito Library Foundation Garden Clean-Up – 9am-12pm
- El Cerrito Green Team del Norte Bart Clean-up – 9am-12pm
- El Cerrito Trail Trekkers Hillside Weed & Broom Pull – 10am-1pm
- Fairmont Elementary School Garden Clean-up – 9am-12pm
- Starbucks El Cerrito Plaza Clean-Up – 9am-12pm
- Growing Together Garden Clean-up @ El Cerrito High School – 9am-12pm
- Motorcycle Hill Broom & Invasive Plant Removal – 9:30am-12:30pm
- Tassajara Park Clean-Up – 9am-12pm
El Cerrito: Earth Day Repair Workshop – Have an item that needs repair? Repair coaches will share their time, tools and expertise to consult with you on the disassembly, troubleshooting and repair of your broken items. Whether or not you fix it yourself, you’ll learn more about how your item was manufactured and how it works. Register your item ahead of time by filling out an Attendee Registration Form so that coaches can come prepared and reach out in advance if additional parts need to be procured. Registration closes Sunday, April 12th – Limit of Two (2) Items per Attendee. 1-4pm. El Cerrito Community Center.
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 up to clean up streets or do landscape gardening & clean up local creeks. A celebration will follow the cleanup, featuring light refreshments, face painting, entertainment, speakers, and more. Cleanup 9:30am-12pm / Celebration 12pm. El Sobrante Library.
Martinez: Arbor Day Celebration – Join a hands‑on, community‑powered Arbor Day celebration at Pine Meadow Park. Bring your family, your friends, and your enthusiasm for planting trees. Dress for outdoor fun: comfy clothes, closed‑toe shoes, hat, and sunscreen. Refreshments 9:30am, Tree Planting 10am. Pine Meadow Park.
Pinole: Planting Workday at Pinole Library – The ivy jungle at the Pinole Library has been fully cleared and it’s time to plant native plants to enhance habitat for wildlife and help stabilize the creek banks. Wire cages will also be built to protect the tender new plantings from hungry deer, which are often spotted along the creek. 10am-1pm. Park and meet at Pinole Valley Community Church.
Richmond: Point Pinole Invasive Plant Removal – Join the East Bay Regional Park District and help remove invasive plants from the Point Pinole shoreline. Register to attend. Bags, disposable gloves, and necessary supplies are provided. 9am-12pm. Giant Highway Staging Area, Richmond.
Rodeo: Rodeo Earth Day Cleanup – Toss on your boots and gloves and help the CCRCD make a difference on Earth Day by being part of their cleanup of Rodeo Creek. Cleanup 9am-noon, 605 Parker Ave.
Multiple Cities: 2026 Waterwise Garden Tour – The Ruth Bancroft Garden is presenting a self-guided tour of over 20 inspiring home gardens in Walnut Creek, Pleasant Hill, Lafayette, and Moraga. Participants must provide their own transportation and can explore the gardens at their own pace. Tour runs from 9am-4pm with a break from noon-1pm (Note: Gardens will be closed from 12pm-1pm). Cost: $20. 9am-4pm. Self-guided tour of homes in Pleasant Hill, Walnut Creek, Lafayette, and Moraga.

Sunday, April 26

Antioch: Black Diamond Mines Hike – Join Greenbelt Alliance for a nature and history adventure in the East Bay hills. Hike the Chaparral Trail to see spring flowers, view groves of Coulter Pine trees, and marvel at 50-million-year-old trace fossils in the rock. The group will also visit the historic Rose Hill Cemetery, the final resting place for many of the miners and their families. 9am-noon. Black Diamond Mines Regional Park.
Kensington: Earth Day in Kensington – Come enjoy hands-on activities for all ages with opportunities to learn and engage. This free community event will feature a petting zoo, live music for children, community art, educational materials and environmental experts. 10am-1pm. Arlington Community Church.
Lafayette: Lafayette Earth Day Festival – Sustainable Lafayette will be hosting a free Earth Day Festival where you can learn how to help our planet. Enjoy family-friendly activities and connect with local eco-friendly businesses. 11am-2pm. Lafayette Plaza Park.