How it works?
1. Register your participation:

2. Each day choose 1 of the 5 sustainability challenges. Submit a picture of your completed challenge on Mammoth Parks and Rec Earth Day Sustainability Facebook event page here or email parksandrec@townofmammothlakes.ca.gov.
3. Complete them all by Friday, April 23
4. Every participant who completes each of the 5 challenges is entered into a raffle to win a prize.