9:00 am - 10:30 am Maricopa County Parks and Recreation: City Nature Challenge Hike Free with Park Fee
3:00 pm - 4:00 pm Greater Phoenix City Nature Challenge 2026: Acts of Science – Connected − Comets, Clues, and Our Cosmic Story Free
10:00 am - 11:30 am Maricopa County Parks and Recreation: Discovery Station – Be a Citizen Scientist! Free with Park Fee
12:00 pm - 1:00 pm Central Arizona Conservation Alliance: Community Science Monitoring of Urban Saguaro Health: The Saguaro Monitoring Program within the Desert Botanical Garden’s Saguaro Initiatives Free with Admission
