Join more than 15,000 members in Imperial and San Diego Counties.



2018 General Election – November 6

Find our Endorsements Here

Fight Plastic Litter: Tell the City Of San Diego to Ban Foam Food Containers and More

Tell Mayor Kevin Faulconer and the San Diego City Council that you want a comprehensive ordinance banning the consumption of expanded polystyrene (EPS; e.g.,“Styrofoam®”) food containers, and other …. Read More

Get Involved: Join SANDAC

SANDAC (San Diego Activist Citizens) is a group of Sierra Club Volunteers who are looking to prioritze public transportation in the 2019 edition of the Regional Transportation Plan.
Are you interested in volunteering your time to be a part of this program?

Be part of the movement.

Learn More

Lawsuit Challenges San Diego County’s Sprawl-promoting Climate Plan

On March 19, the Sierra Club filed two lawsuits challenging the County of San Diego’s latest iteration of its Climate Action Plan, which again fails to set forth concrete, enforceable measures that adequately reduce the climate change impacts of development in the county. The lawsuit alleges that the Climate Action Plan relies too heavily on carbon credit programs located outside of the county, stating that San Diego officials will not be able to survey and enforce the authenticity of these credits and therefore does not actually achieve confirmable emissions reductions.

Learn More

Looking to get active?  Want to help protect our natural world and communities?

Let us help you find your perfect volunteer opportunity.  Just fill out our volunteer form HERE and one of our Coordinators of Volunteers will get right back to you and get you going!


Film Screening and Solar Q & A

Friday, October 5, 2018
6:00pm – 8:00pm

Chapter office

A celebration of the sun!  Enjoy complimentary dinner, a film screening of Catching the Sun followed by a solar and battery question and answer.


 Catching the Sun“A must-see film. An eye-opening look at workers and entrepreneurs on the fore front of the clean energy movement that will transform and enliven the way you see the future.  What is clear is the wonderful opportunity the transition to clean energy represents.” —Mark Ruffalo

Attend this solar film screen to learn about solar technology, battery integration and financial benefits.  Have your solar questions answered by nationally certified energy practitioners

Be part of the solution by joining the solar energy revolution.

Visit the Full Activities Calendar

Visit the Full Hiking and Biking Calendar

Help Support the San Diego Chapter

It’s never a bad time to donate your car/boat/motorcycle and you may qualify for a 2018 tax deduction!.

Select the San Diego Chapter when you donate.

HiSierran Newsletter Online – Click HERE


2019 Calendars Are Here!

Wilderness Wall Calendar
Regular Price $14.95
Member Price $13.45
Order HEREDesk Calendar
Regular Price $15.95
Member Price $14.35
Order HERE

Visit the Sierra Club Store for great prices on backpacks, bags, caps, water bottles, travel mugs, coloring books and other great items.

Go Green with Reusable Shopping Bags & Waterbottles

Stop using single-use grocery bags and water bottles and show your support for the Sierra Club at the same time.
Grocery Tote Bags, Set of 2 – $5
Stainless Steel Water Bottle – Regular Price $12

Join Sierra Club San Diego on an outing – where do you want to go? The choice is yours!