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  • Arizona State University: Earth Day Stadium Walk 2026

    Mountain America Stadium 500 E. Veterans Way, Tempe, AZ, United States

    Join University Sustainability Practices and SRP for the free ASU Earth Day Walk at Mountain America Stadium. This unique celebration of sustainability includes a three lap walk around the stadium and sustainability partner tabling fair located in the stadium at the Coca Cola Sun Deck, to learn about sustainability, enjoy light snacks, play games and...

    Free
  • Children’s Museum of Phoenix: Earth Day Expo

    Children's Museum of Phoenix 215 N. 7th St., Phoenix, AZ, United States

    Join us in the Children’s Garden for fun and educational outdoor activities in celebration of Earth Day! Wednesday, April 22nd from 9am-1pm. HANDS-ON PROGRAMS INCLUDE: Compost Corner – Explore the world of worms and roly-polies and build your own compost container to learn about how composting works Seed Bombs – Make a wildflower seed bomb to take...

    Free with Admission
  • Arizona State University: Earth Day 2026 – The Future We Build

    Rob and Melani Walton Center for Planetary Health 777 E. University Dr., Tempe, AZ, United States

    The Julie Ann Wrigley Global Futures Laboratory® invites you to celebrate Earth Day by exploring the future we build. Since 2021, GFL has served as Arizona State University’s hub for Earth Day. This year, we will celebrate Earth Day featuring an afternoon designed to connect our community, spark ideas and showcase pathways to a thriving planet. Starting...

    Free
  • Maricopa County Library District: Coral Reef Biomes

    MCLDAZ - Litchfield Park Library 101 W. Wigwam Blvd., Litchfield Park, AZ, United States

    Celebrate Earth Day by learning about one of the world's most interesting ecosystems! We will discover the different ocean animals and plants living in coral reefs and use our knowledge to build coral reef dioramas using clay and more. This program is for tweens ages 8-12. Registration required.

    Free
  • Mesa Public Library: Citizen Science – Earth Day Animal Spot-a-thon

    Mesa Public Library - Red Mountain Branch 635 N. Power Rd., Mesa, AZ, United States

    Help scientists identify as many animals as possible in camera trap images. This event is a part of "Acts of Science: Connected," which will bring us all together in April to celebrate participation in real research for Citizen Science Month! SciStarter is aiming toward a shared goal of 2.5 million acts of science by the...

    Free