Go Green
Earn Points
Win Prizes
& claim the title of
Coolest California City!
What's Up
The Challenge is on to the be Coolest California City! Chula Vista, Citrus Heights, Davis, Gonzales, Pittsburg, Pleasanton, Sacramento, Santa Cruz, San Jose and Tracy have all committed to the largest sustainability competition in California. These cities will compete over the course of a year...
The competition is on for the Coolest California City!
The Challenge is split into two sections: the Qualifying Round and the Finalists Round. All 10 cities...
Sponsor the Challenge
Sponsors add the icing to the top of the Challenge cake with grand prizes and fun raffles. Show your support for sustainable California cities by sponsoring the Challenge or becoming a local city sponsor.
Visit our Sponsorship Page to find out about Challenge sponsorship opportunities.
Questions?
Check out the FAQ or email us challenge@coolcalifornia.org
Challenge Participant and Administrator Login
Be a good neighbor and join your city in the CoolCalifornia Challenge by signing up today!
