community challenge logo
Go Green

Earn Points

Win Prizes

& claim the title of

Coolest California City!

Sign In

view scoreboard

Register | FAQ | Contact Us

Sponsor the Challenge

Participating Cities
city of chula vistacity of citrus heightscity of daviscity of pittsburgcity of pleasantoncity of sacramentocity of san josecity of tracy

Platinum Sponsor
pge logo

Gold Sponsor
coolclimate netowrk logo
Bronze Sponsor
next10 logo

Research Partners

uc berkeley raelcalifornia epa air resources board