The Winnetka Earth Day Challenge is a community-wide competition for people of all ages who live, work, worship, or attend school in Winnetka, and their friends. Participants challenge themselves to try new environmentally-friendly
behaviors and report their progress daily. In addition to learning how to reduce your carbon footprint, you have a chance to win cash for the non-profit organization of your choice!
The 2021 Winnetka Earth Day Challenge is now complete. Congratulations to the Old Friends Team for their first place win! Please see our Winners Page in the About Menu for more winners and environmental impact information.