Join the Cleaner Contra Costa Challenge!

Earn New Prizes Through the Cleaner Contra Costa Challenge!

Contra Costa County; the Cities of Antioch, San Pablo, and Walnut Creek; and Sustainable Contra Costa launched the Cleaner Contra Costa Challenge on April 22, 2019. 

The Cleaner Contra Costa Challenge is a free online platform available to residents and employees in Contra Costa County. It allows participants to measure their household carbon footprint, commit to taking sustainable actions, track improvements, and save money! The Challenge website is filled with helpful resources, including local rebates, workshops, and tools for sustainable living. Join the Challenge by visiting

Over 700 households have now joined the Challenge, and participants have saved over 160 tons of carbon dioxide, 109,000 gallons of water, and $70,000!

With health orders requiring us to shelter in place, remaining connected with others is especially vital. The Challenge allows participants to reduce their carbon footprint and take climate action with friends, neighbors and colleagues. The Cleaner Contra Costa Challenge is also available countywide.

Challenge participants now have the opportunity to earn new prizes! As of July 2020, all participants may claim a free yard of mulch from EcoMulch (delivery not included). They may also be entered in a drawing for a water trough planter, a $150 value. 

Participants can start a Team or Community Group and engage in friendly competition with their neighbors to reduce their carbon footprint and inspire their community to take action. The first 100 individuals to reach 5,000 points will receive a Tread Lightly Toolkit, which includes a reusable bamboo utensil set, a reusable stainless steel straw, and more! The members of the Top 3 Teams will also receive Tread Lightly Toolkits at the end of the Challenge period. More information about prizes can be found at the Sustainable Contra Costa website.

Every action a household completes will reduce its greenhouse gas emissions and users can track their progress in dollars, energy, and gallons of water and gas saved. Residents or organizations that would like to form a team or community group for the Challenge can contact Colleen Noland, Community Organizer for Sustainable Contra Costa to schedule a group presentation and demonstration.

The Cleaner Contra Costa Challenge is funded by a grant from the Bay Area Air Quality Management District. To learn more about the Cleaner Contra Costa Challenge, visit

For more information and to download the flyer click here.

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