challenge

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holiday logo coolcalifornia challenge

holiday logo coolcalifornia challenge
Source: 

coolcalifornia.org

Alt tag: 
winter holiday edition of coolcalifornia challenge logo

news interview

news interview
Source: 

ABC News Sacramento

Alt tag: 
Erik DeKok speaking about the CoolCalifornia Challenge on ABC News

newsletter, square, challenge, people

challenge rank

challenge rank
Source: 

public domain

Alt tag: 
A screenshot of a CoolCalifornia Challenge rank 29 out of 219 households

challenge, computer, electricity, energy, no source, technology

challenge rank

challenge rank
Source: 

public domain

Alt tag: 
A screenshot of a CoolCalifornia Challenge rank 2 out of 224 households

no source, newsletter, square, energy, electricity, challenge, computer, technology

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