Children holding earth.

Looking for fun ways to celebrate Earth Day and give back to Mother Nature this year? There are tons of volunteer opportunities and festivals popping up all over San Diego County. Take a look at the list of events below and check back periodically for updates!  (Photo credit: FlyByPhotograph)

San Diego Earth Day Events 2026 

  

saturday | 18

FREE Earth Month Celebration. Interactive stations with hands-on activities, demonstrations and more. 9 am–1 pm. Poinsettia Community Park, 6600 Hidden Valley Rd., Carlsbad. www.carlsbadca.gov

FREE Earth Day Festival. Kids activities, craft vendors, music and more. 10 am–3 pm. Alta Vista Botanical Gardens, 1270 Vale Terrace Dr. www.altavistabotanicalgardens.org

FREE Arbor Day. Plant trees, fun activities and more. 9 am–12 noon. Hawk View Park, 1309 Blue Heron Ave. Encinitas. Register: www.encinitasca.gov

FREE Be My Neighbor Day. Join Daniel Tiger and friends to celebrate kindness and service. 9 am–12:30 pm. SDSU Campus, 5200 Campanile Dr. Register: www.kpbs.org 

FREE Chula Vista South Bay Earth Day. Fix-it clinic, tie-dye workshop, kids games and more. 11 am–3 pm. Chula Vista Bayfront Park, 980 Marina Way. www.southbayearthday.com

FREE Mission Valley Earth Day Celebration. Engaging activities designed especially for kids to learn and explore. 10 am–5 pm. 1640 Camino Del Rio N. www.mission-valley.com


friday | 24

Climate Dance Party. Celebrating ocean science, climate solutions and a whole lot of joy. 6–9 pm. $15.95–$39.95; 2 & under free. Birch Aquarium, 2300 Expedition Way, La Jolla. www.aquarium.ucsd.edu

 

saturday | 25

Creek to Bay Cleanup. Join over 5,000 volunteers at over 100 sites in San Diego County’s largest earth week cleanup. www.cleansd.org

 

 

 Find more ideas on our Halloween Pinterest Board. Find more Earth-friendly activities in San Diego Family's Earth Day Pinterest Board 

Find more great activities all month long in San Diego's Best Day-to-Day Calendar.

 

Updated: March 2026

 

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