Greater Phoenix City Nature Challenge 2026: Sustainability Fest

Discover how to live life more sustainably at Arizona Science Center’s Sustainability Fest Explore topics like rising seas, how to reduce your carbon footprint, composting and recycling, seed germination, and more! Engage with hands-on activities, interact with community partners and vendors and enjoy a full day of sustainable science! All Sustainability Fest activities are included FREE with admission. Children under 3 are always FREE. Sustainability Fest is generously supported by SRP     Part of Greater Phoenix City Nature Challenge 2026