Each December, all Explore Austin teams participate in a Combined Saturday Challenge that is a volunteer project focused on environmental stewardship. On this date, our Mentors and Explorers are volunteering with nonprofit Keep Austin Beautiful and at Circle Acres Nature Preserve.
![Combined Saturday Challenge](https://exploreaustin.org/wp-content/uploads/2023/09/Photo-for-Dec-Combined-Saturday-Challenge-event-1-scaled.jpg)