Apr 22 Maricopa County Parks and Recreation: Usery – Invasive Species Removal 7:00 am - 10:30 am Usery Mountain Regional Park 3939 N. Usery Pass Rd., Mesa Event Details Get Directions
Apr 22 Maricopa County Parks and Recreation: Estrella – Earth Day Desert Defenders Event 7:00 am - 10:30 am Estrella Mountain Regional Park 14805 W. Vineyard Ave., Goodyear Event Details Get Directions
Apr 22 Maricopa County Parks and Recreation: White Tank – Invasive Species Removal 7:00 am - 10:30 am White Tank Mountain Regional Park 20304 W. White Tank Mountain Rd., Waddell Event Details Get Directions
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
