Earth Day Events in San Diego: Top Things to Do for Earth Month
Looking for Earth Day events in San Diego?
Each April, Earth Month brings together a wide range of events across the region—from large-scale festivals and coastal cleanups to hands-on experiences and conversations about conservation.
Here are some of the top Earth Day and Earth Month events happening in San Diego this year.
State of Biodiversity Symposium
San Diego Natural History Museum
April 9
A standout Earth Month event, the State of Biodiversity symposium brings together scientists, conservationists and the public to explore how biodiversity is changing across Southern California and Baja California. The evening includes presentations, interactive exhibits and opportunities to connect directly with researchers.
MacArthur Park, La Mesa
April 18
A community-focused Earth Day event featuring local vendors, sustainability education and hands-on activities for all ages.
Our Power, Our Planet UC San Diego Earth Day Festival
UC San Diego
April 22
This campus-wide Earth Day celebration includes environmental organizations, educational programming and interactive exhibits focused on climate, sustainability and innovation.
Sustainability Trivia Night — Earth Month Celebration
Normal Heights
April 23
Celebrate Earth Day with a fun night of sustainability trivia, prizes, and connection at Rabbit Hole in Normal Heights.
Birch Aquarium at Scripps
April 24
Join Birch Aquarium, Scripps Institution of Oceanography at UC San Diego and Ayana Elizabeth Johnson for a Climate Dance Party celebrating ocean science, climate solutions and the paperback launch of her New York Times bestselling book, What If We Get It Right?: Visions of Climate Futures. Beats come courtesy of DJs for Climate Action and guests can also explore the aquarium after hours and experience ocean inspiration all around.
San Diego EarthFest (Balboa Park)
Balboa Park
April 25
One of the largest Earth Day events in San Diego, EarthFest features more than 100 eco-friendly vendors, live entertainment, wellness experiences and family-friendly activities.
Creek to Bay Cleanup (Countywide)
Locations across San Diego County
April 25
San Diego’s largest Earth Month cleanup event brings thousands of volunteers together to remove trash and debris from beaches, canyons and neighborhoods across the region.
Ramona
April 25
This East County event highlights land stewardship, conservation and local agriculture through exhibits, demonstrations and family-friendly programming.
Swim California x WILDCOAST Pop Up
La Jolla
April 26
This community pop-up brings together ocean swimming, local vendors and conservation storytelling in La Jolla, highlighting the connection between coastal recreation and ocean protection. Hosted in partnership with WILDCOAST, the event blends an active, outdoor experience with education around preserving San Diego’s beaches and marine ecosystems.
Carlsbad Flower Fields
April 30
San Diego County Farm Bureau hosts an annual outdoor experience that celebrates local farmers, chefs, beverage purveyors, and local agiculture. Meet the faces behind San Diego's slow food and celebrate the region's local cuisine and agriculture traditions.
South Bay Earth Day Celebration
Chula Vista Bayfront
Mid-April
A waterfront Earth Day event featuring green businesses, sustainability-focused activities and opportunities to learn more about coastal conservation.
Celebrate San Diego's Biodiversity All Year Long
Earth Month events highlight the many ways sustainability shows up across the region—from research and conservation to community action and everyday experiences. Whether you’re visiting for the week or planning ahead, Earth Month is one of the best times to experience San Diego’s connection to the natural environment.
But visitors can also celebrate and support San Diego's natural biodoversity and ecosystems all year long:
- San Diego's Natural Wonders
- Slow Food and Farm-to-Table Cuisine
- San Diego's Farmers Markets
- A sustainable traveler's perfect San Diego itinerary
- Explore San Diego's Biodiversity
- Wildlife Encounters
- Public Transportation around San Diego