Apr 20 ⭐Arizona Game and Fish Department: Citizen Science Case Study – Land Snails in Arizona 7:00 pm - 7:45 pm Online 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 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 Maricopa County Parks and Recreation: City Nature Challenge Practice Hike 11:30 am - 1:00 pm Estrella Mountain Regional Park 14805 W. Vineyard Ave., Goodyear Event Details Get Directions
Apr 22 Maricopa County Parks and Recreation: Discovery Station – Be a Citizen Scientist! 1:30 pm - 3:00 pm Usery Mountain Regional Park 3939 N. Usery Pass Rd., Mesa Event Details Get Directions
Apr 22 Mesa Public Library: Citizen Science – Earth Day Animal Spot-a-thon 3:00 pm - 5:00 pm Mesa Public Library - Red Mountain Branch 635 N. Power Rd., Mesa Event Details Get Directions
