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Maricopa County Parks and Recreation: San Tan – Invasive Species Removal

San Tan Mountain Regional Park 6533 W. Phillips Rd., Queen Creek

Meet at the park’s Nature Center. Join us in removing invasive species and reducing wildfire risk in our parks. Participants will learn to identify several invasive species, their phenology and characteristics, and how to effectively remove these invasive plants. The initiative is to remove invasive plants as a proactive step toward ecological restoration and to...

Free with Park Fee

Maricopa County Parks and Recreation: Estrella – Native Seed Harvest

Estrella Mountain Regional Park 14805 W. Vineyard Ave., Goodyear

Meet at the park’s Nature Center. It is time to harvest seeds! Join us for a celebration of native seeds!! As we strive to improve native biodiversity within the parks. Registering is required via sign-up.com.  Events start at 7:30 a.m. to 10:30 a.m. Participants will learn to identify native plants in their seed stage, and...

Free with Park Fee

Maricopa County Parks and Recreation: City Nature Challenge Hike

Usery Mountain Regional Park 3939 N. Usery Pass Rd., Mesa

Join Ranger Jacque on a brief hike and use your phone to document biodiversity in the park for the City Nature Challenge global Citizen Science competition that runs April 25-28.   The City Nature Challenge is a global competition between cities to document biodiversity in regions around the world, taking place April 25-28. Ranger Jacque will...

Free with Park Fee

Highlands Center for Natural History: Discovery Saturday

Highlands Center for Natural History 1375 S. Walker Rd., Prescott

Come on out to the Highlands Center for Natural History for Discovery Saturday!. Learning Stations highlighting the many wonders of the Central Highlands will be set up throughout our Discovery Gardens. The learning stations provide each visitor the chance to learn and to become wise caretakers of the land.

Free

Children’s Museum of Phoenix: Going, Going, Green – Stewards of the Earth

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

It’s Going, Going, Green! Month, let’s learn about being good stewards of the earth! Visit Star Bar on the 2nd floor to learn about recycling in Phoenix, what to do with your recyclables, tips on composting and how to help animal habitats with a fun matching game. Make sure all the animals go to the right home!...

Free with Admission

Phoenix Herpetological Sanctuary: Facility Tour

Phoenix Herpetological Sanctuary Actual location given after reservations, Phoenix

Interact with some of our special animals, which for many people is a once in a lifetime experience.  Guests will get to learn about endangered species, how we contribute to conservation of those animals,...

Free – $25

Pima County Public Library: Earth Day at Eckstrom-Columbus Library!

Pima County Public Library - Eckstrom-Columbus Library 4350 E. 22nd St., Tucson

Join us for a Community Plant Share & the City Nature Challenge Bioblitz with Pima County Master Naturalists. Bring your plant cuttings, seedlings, seeds, and other garden-related abundance to share. What is...

Free

Watershed Management Group: Cool Tucson 5 Workshop

Watershed Management Group Living Lab and Learning Center 1137 N. Dodge Blvd., Tucson

Want to learn how YOU can have an impact as temperatures continue to increase within Tucson? Join us at the Living Lab and learn about how native plants are built to withstand variable weather and the importance of building an understory. Witness the impact that light earthworks in combination with plants can have to cool...

Free

Maricopa County Parks and Recreation: City Nature Challenge Evening Hike

White Tank Mountain Regional Park 20304 W. White Tank Mountain Rd., Waddell

Learn about wildlife of the Sonoran Desert and easy citizen science you can help with on this late afternoon-evening hike with Ranger Eric.   Join Ranger Eric to look for and learn about diurnal and nocturnal critters of Sonoran Desert riparian areas, while learning about and participating in this weekend’s City Nature Challenge! We will start...

Free with Park Fee