Celebrate
the Earth with the County of San Diego

We hope you enjoy these activities that
celebrate our beautiful planet and help you care for our natural
environment. We look forward to celebrating with you via this site all
year long, and in person at this year's Earth Day Fair at the County
Operations Center, 5500 Overland Drive, from 11 a. m. to 1 p.m. on
April 18, 2025.
#COSDEarthDay
#EarthDay2025
Sustainability is core to our County mission. We’ve made it one of the components of our new overarching County vision: a just, sustainable and resilient future for all and it’s one of the central values we dedicate ourselves to as an organization. From big to small things, we are committed to making a difference for the environment.
Earth Month Events
Earth Day Fair at County Operations Center
Visit our booths and learn about the ways your County makes a difference protecting and investing in our planet.
11 a.m. – 1 p.m. on Monday, April 18
5500 Overland Drive,
San Diego 92123

Guided Hikes
Sat. April 19 – 10 a.m. - Guided hike at Sycamore Canyon
Sat. April 19 – 9 a.m. - Women in the Wild Advanced Hike at Volcan Mountain
Sun. April 20 – 10:30 a.m.-12:00 p.m. - Dos Picos Ernie Pantoja Memorial Trail
Sunday, April 27 - 10 a.m. – Dictionary Hill County Preserve. Call for more details at (619) 644-5492.
Outdoor Activities
Sat. Apr 19 – Reading with Rosy San Elijo Lagoon
Sun. April 20 – Picnic with the PQ Goats at Los Penasquitos
Sunday, Apr. 20-
Native planting at San
Elijo Lagoon Ecological Reserve
Volunteer at Clean-up Events
Saturday, April 26. -County Parks and Recreation has partnered with I Love a Clean San Diego to clear waste around waterways and prevent it from moving downstream. All projects will take place from 9 a.m. until 12 p.m. Advance registration is required: cleansd.org
Creek to Bay Cleanup at Lindo Lake County Park
Creek to Bay Cleanup at Old Ironsides County Park
Creek to Bay Cleanup at Otay Lakes County Park
Celebrate Our Earth at Any Time With These Fun
Activities!
What will you do to support our Earth? Learn how to reduce your impact and become a better 'Earthling'!
Thinking About an Electric Car?

Learn more at our EV Consumer Website.
Ask a Recycling Specialist
Want to learn tips and tricks about recycling from a County of San Diego recycling specialist? Check out this video!
How to Properly Plant a Tree
Learn the importance of replanting native trees to replenish the local tree canopy. Using a 5-gallon pot sample first, find the topmost root, then dig a shallow and wide planting hole, finally place the tree in. Don't forget to water your new plant!