Apr 22 Maricopa County Parks and Recreation: McDowell – Invasive Species Removal April 22 @ 7:00 am - April 25 @ 10:30 am McDowell Mountain Regional Park 16300 McDowell Mountain Park Dr. MMRP, Fountain Hills Event Details Get Directions
Apr 22 Greater Phoenix City Nature Challenge 2026: Acts of Science – Connected − Earth Day Animal Spot-A-Thon 8:00 am - 10:00 am Online Event Details Get Directions
Apr 22 Arizona State University: Earth Day Stadium Walk 2026 9:00 am - 11:30 am Mountain America Stadium 500 E. Veterans Way, Tempe Event Details Get Directions
Apr 22 Maricopa County Parks and Recreation: Discovery Station – What is the City Nature Challenge? 9:00 am - 12:00 pm Lake Pleasant Regional Park 41835 N. Castle Hot Springs Rd., Morristown Event Details Get Directions
Apr 22 Children’s Museum of Phoenix: Earth Day Expo 9:00 am - 1:00 pm Children's Museum of Phoenix 215 N. 7th St., Phoenix Event Details Get Directions
Apr 22 Children’s Museum of Phoenix: Thing-a-ma-jigs 9:00 am - 4:00 pm Children's Museum of Phoenix 215 N. 7th St., Phoenix Event Details Get Directions
