Step up to the Cleaner Contra Costa Challenge! Did you know that by making small changes to your habits can save money AND help fight climate change? Join your neighbors, friends, and local businesses by logging your sustainable actions and seeing the measurements of water, gas, energy and money saved. Track your progress to make a positive impact on climate change. Improve your carbon footprint while helping to make your community more resilient!

Join The Cleaner Contra Costa Challenge

Frequently Asked Questions about the Challenge

The Cleaner Contra Costa Challenge was created in 2019 through a partnership between Sustainable Contra Costa, Contra Costa County, and several cities. Now Contra Costa County along with the cities below have joined. If your city is not yet participating, contact info@sustainablecoco.org