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.
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.
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.
MacArthur Park, La Mesa
April 18
A community-focused Earth Day event featuring local vendors, sustainability education and hands-on activities for all ages.
Ramona
April 25
This East County event highlights land stewardship, conservation and local agriculture through exhibits, demonstrations and family-friendly programming.
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.
Experience Earth Month in San Diego
Together, these 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.