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Investing in Our Planet


Celebrate Earth Month with the County of San Diego

We hope you enjoy the variety of Earth Month activities assembled here to celebrate our beautiful planet and inspire how we can care for our natural environment. We look forward to celebrating with you in person and virtually the entire month of April. This includes our in-person fair at the County Operations Center, 5500 Overland Drive, on 4/21 from 11 a. m. to 1 p.m.

This site offers something for everyone including events you can join, how-to videos, hikes, science and technology activities, e-book collections, and proactive ways to live more sustainably. You can even visit museums and iconic locations around the world on this site. And don't forget to share your commitment to help the Earth.    

Come explore and learn more! 

Note: Google Translate in the upper right corner will translate this site into different languages.

field and mountains

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. 

District 1 Nora Vargas

Message by Chairwoman Nora Vargas 

Note: This video provides captions in multiple languages by clicking the settings icon on the bottom right corner of each video.  (For translation needs on pages throughout this site, you can use the Google Translate widget in the upper right of this page to select different languages.)

Celebrate Our Earth at Any Time With These Fun Activities! 


Earth Month Events

Earth 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 Friday, April 21  
5500 Overland Drive, San Diego 92123

Tree Planting + Park Beautification Opportunities

tree planting

Join us for a morning full of park beautification projects, including tree plantings, invasive vegetation removal and general trash pickup. Your efforts will improve the environment in and around our waterways – part of the larger Creek to Bay Cleanup coordinated by I Love a Clean San Diego! Materials are provided; come ready in clothes you don’t mind getting dirty and wear sturdy shoes and sun protection. Don’t forget your own water bottle and gloves!   

9 a.m. – 12 p.m at the following locations:

Cole Grade County Park

Collier County Park

Dos Picos County Park

Flinn Springs County

Hellhole Canyon County Preserve

Otay Lakes County Park

Potrero County Park

Rainbow County Park

Rancho Guajome Adobe

San Elijo Lagoon Nature Center

Santa Margarita County Preserve

Santa Ysabel Nature Center

Spring Valley County Park

Tijuana River Valley Regional Park

Valley Center Community Hall and Park

*Space may be limited; please register in advance.

Staff-Led Activities 




8 – 9 a.m. Yoga Fitness Class at Los Penasquitos Ranch House

10 a.m. – 12 p.m. Earth Day Arts and Crafts at Spring Valley Community Center

3 – 4 p.m. Ranger-led Hike at Morrison Pond (Sweetwater Regional Park)

Walk for Earth Day with SD Nights – REGISTER

Nature Discovery Tables

touch table

Touch fur, skins, skulls and other animal features at our Nature Discovery Tables. Learn about local wildlife and the unique adaptations that help them survive in a variety of habitats. Our rangers will be on site to answer all of your park-related questions and to help you understand, appreciate and experience ‘the upside of outside! 


9 – 11 a.m. Sycamore Canyon/Goodan Ranch Nature Center


10 a.m. – 12 p.m. Ramona Grasslands County Preserve


11 a.m. – 12 p.m. Otay Lakes County Park




Thinking About an Electric Car? 

electric car charging

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! 

Helpful Videos

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Become familiar with the rules of the trails so everyone's experience is enjoyable.  

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Help Prevent Mosquito Breeding 
This video will help you Fight the Bite! 

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!