🎥 Watch this video trailer of what to expect at Earth Day Marin.
Earth Day Marin 2026
Sunday, April 26, 2026 | 12 – 3pm | Mill Valley Community Center
Join us at Earth Day Marin, our 5th annual environmental celebration on Sunday, April 26, 2026, from 12 to 3pm, at the Mill Valley Community Center in Marin County.Â
Earth Day Marin is a free community event for people of all ages, with informative booths, fun activities, art, music, games and talks in a beautiful outdoor setting. We expect this to be Marin’s largest Earth Day event!
Visit over 50 exhibits hosted by green businesses, environmental and community groups to build a more just and sustainable world. You will learn about clean energy, electric vehicles, green homes, healthy food, resilient communities, climate justice and democracy.
Earth Day Marin is produced by Green Change with support from our lead partners: the City of Mill Valley, County of Marin, MCE, Sustainable Marin — and more climate partners listed below. To learn more, read on.
Featured Attractions
This year’s Earth Day Marin features a wide range of popular attractions:
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50+ green exhibits like Good Earth, MCE, Resilient Neighborhoods and more!
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New electric vehicles at the EV & Ebike Show by Ride and Drive Clean
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Fun activities for all ages all around our Green Change Exhibit:Â
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Anytown USA – Create your own sustainable town in a race against time.Â
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Green Pledges – Pledge to go green and get your photo taken with Mother Earth.
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Human Triangle – Pull the Earth to a better place in this cooperative game.Â
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Climate Jenga – Transform our energy system to avert collapse.
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Wishing Tree – Write a wish for the world and hang it on a burned manzanita tree.
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Earth Island – Art for Kids: Create your own sustainable paradise.
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Live music by Andre Thierry and his Accordion Soul Music – dance to his zydeco tunes!
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Speakers: Damon Connolly, Max Perrey, Floyd Thompkins, Raquel Berlanga RojasÂ
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Youth Zone: green booths by students at the Marin School of Environmental Leadership
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Youth Art: children’s art about climate action in the Painted Bins exhibitÂ
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FREE ice cream from Straus Family Creamery!
Join the fun and come celebrate Earth Day with family, friends and neighbors!
GET YOUR FREE TICKETS HERE!
Meet our exhibitors
Over 50 exhibitors and sponsors are participating in Earth Day Marin! They represent green businesses, environmental and community groups from across Marin and the Bay Area.
Bay Area Air Quality District • Cool the Earth • Good Earth • Greenbelt Alliance • Green Change • MCE Clean Energy • Harvest • John Owens Services • Marin City Climate Resilience • Marin Sustainability Team • Marin School of Environmental Leadership • Marin Citizens’ Climate Lobby • Marin Conservation League • Marin County Free Library • Marin Water • Mattress Recycling Council • Mill Valley Refuse • OFA Marin • Open Alto Tunnel • Painted Bins • Plastic Free Marin • Play Marin • Resilient Neighborhoods • Ride and Drive Clean • Rising Sun Center for Opportunity • Saint Andrew of Marin City • SolarCraft • Straus Family Creamery • Sustainable Marin • Sustainable Marin Schools • Sustainable San Rafael • Sun First Solar • 350 Marin • Transportation Authority of Marin • Vitality Bowls • Wastewater Treatment Agencies of Marin • World Wrapps • Zero Waste Marin – and more!
To learn more, visit their websites!Â
Sponsor our event!
Would you like to support our free, family-friendly environmental event? If you work with a group that promotes climate action and sustainability, we invite you to become a sponsor and/or exhibitor.
Learn more about sponsor opportunities. Besides providing a booth, we also offer extensive promotional benefits to Earth Day Marin exhibitors, in return for their sponsorship fee. Nonprofits and activists can earn discounts by volunteering or hosting an activity at the event.
Apply here to exhibit or sponsor at Earth Day Marin, to reserve your booth. The deadline to apply is extended to March 7. No payment is required when you apply.
