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Tucson Bird Alliance: French Joe Canyon Field Trip

French Joe Canyon was legendary years ago as the one reliable spot for Rufous-capped Warblers in the country but it also harbored a nice diversity of species and at this time of year, who knows what we’ll discover.  We’ll leave the cars and walk along level trails through oak scrub/grasslands up to the spring to...

$35 – $50

Southeastern Arizona Bird Observatory: River Walk

Casa de San Pedro Bed & Breakfast 8933 S. Yell Ln., Hereford

The San Pedro River, a narrow green oasis rippling through desert grassland, is one of the last wild rivers in the Southwest and one of the most endangered. These 3-hour guided walks through desert grassland and among towering cottonwood trees will introduce you to the birds and other wildlife that make their homes in the...

$15 – $20

Maricopa County Parks and Recreation: Bird Meet Up

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

Join us to start on the back patio of the nature center and observe and identify the various birds at our bird feeders. Then we will venture out on a short walk via a trail to see what else we can identify. Please bring water, binoculars (some are available) and wear close-toed  shoes. No pets...

Free with Park Fee

Pima County Parks and Recreation: Birding – Cienega Creek

Cienega Creek Natural Preserve Marsh Station Rd., Vail

A leisurely bird walk through the desert and riparian habitats at Cienega Creek Preserve. Cienega Creek is a nice birding with the opportunity to see birds of desert and riparian...

$5.00

Northern Arizona University: “TIMBER! Northern Arizona’s Logging Legacy” Exhibit

Northern Arizona University Cline Library 1001 S. Knoles Dr., Flagstaff

Northern Arizona is home to the world’s largest continuous stand of ponderosa pine forest, and the import and impact of its valuable timber is deeply woven into the region’s history. Visitors can trace the story of the region’s forests, from the ancestral environmental care practices of the region’s Indigenous communities to the founding of the...

Free

Maricopa County Parks and Recreation: Earth Day Hike

Lake Pleasant Regional Park 41835 N. Castle Hot Springs Rd., Morristown

Join Ranger Kevin for an informative Earth Day hike about the native plants and animals that call the Sonoran Desert home.   Today is Earth Day, and we’re celebrating the best...

Free with Park Fee

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

Children’s Museum of Phoenix: Flower Paintings

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

Be inspired by artist Georgia O’Keeffe as you observe real flowers and paint them, just in time to celebrate Earth Day and the “Earth Day Expo” Event on April 22nd in the Children’s Garden!

Free with Admission

Reid Park Zoo: Birding at the Zoo

Reid Park Zoo 3400 Zoo Court, Tucson

Join Reid Park Zoo and Tucson Bird Alliance (formerly Tucson Audubon Society) for a guided bird walk through the zoo. Experience the zoo in a new way as we observe and identify the native birds we see that call the zoo home.  Binoculars and field guides are recommended but not required. The tour may last...

Free with Admission

Pima County Public Library: Garden Discovery Days

Pima County Public Library - Salazar - Ajo Library 15 Plaza 179, Ajo

Explore the magical world of gardening with your children! This week, we'll plant different types of squash. Ages 0-5.  

Free

The University of Arizona: Laboratory of Tree-Ring Research Docent-led Tour

Bryant Bannister Tree-Ring Building 1215 E. Lowell St., Tucson

Join us for our free docent-led tour in the lobby of the Bryant Bannister Tree-Ring Building (1215 E. Lowell St.). Visitors will be introduced to the basic tenets of dendrochronology and have a chance to examine specimens. During your 1.5 hour tour, you will be introduced to the basic tenets of dendrochronology, have a chance to...

Free

Arizona State Parks and Trails: Daily Guided Nature Hikes at Red Rock

Red Rock State Park 4050 Red Rock Loop Rd., Sedona

Every morning, a volunteer naturalist leads a guided nature walk informing visitors about the different life zones of Red Rock State Park. The subjects discussed on this walk may include geology, wildlife, history, archeology, and plant life. The naturalists welcome questions during the walk, enhancing the learning experience. Hikes are included with park entrance fees...

Free with Park Fee

Scottsdale Public Library: Flower Fun

Scottsdale Public Library - Civic Center Library 3839 N. Drinkwater Blvd., Scottsdale

Join exhibiting artist Lex Gjurasic for a talk and tour of the works in the gallery, followed by a craft workshop creating three-dimensional flowers. Space Limited. Collect a ticket at the Gallery@ The Library up to 30 minutes prior to the event. Join exhibiting artist Lex Gjurasic for a workshop and gallery talk. Participants will create...

Free

Maricopa County Parks and Recreation: Discovery Station – Be a Citizen Scientist!

Lake Pleasant Regional Park 41835 N. Castle Hot Springs Rd., Morristown

Stop by an information table where Ranger Kevin will teach you how to use your phone to identify and document your nature findings to help the scientific community.   Ranger Kevin hosts a drop-in information table to get you on your way to becoming a Citizen Scientist using the free iNaturalist app that identifies and documents...

Free with Park Fee

Natural History Institute: Prehistoric Obsidian Exchange in Central Arizona at Yavapai College OLLI

Join the Natural History Institute and OLLI for a talk by archaeologist Michael Kellett on his research on obsidian trade routes among prehistoric peoples in West-Central Arizona. In this presentation, local archaeologist Michael Kellett, M.A., will present his research on prehistoric obsidian acquisition in the Northern and Southern Sinagua, Prescott, and Cohonina culture areas. Kellett...

Scottsdale Public Library: Springtime Florals Workshop

Scottsdale Public Library - Arabian Library 10215 E. McDowell Mountain Ranch Rd., Scottsdale

Celebrate Earth Day at the Library! Scottsdale Artists’ School will lead this free workshop on creating springtime florals in pastels. All materials provided. (ages 10-18 / 60 min) **Space is limited, so please see a staff person prior to the start of the program to pick up a ticket which will be your registration.

Free

Yavapai County Free Library District: LEGO Club

Yavapai County Free Library District - Chino Valley Public Library 1020 W. Palomino Rd., Chino Valley

Students of any age (parents please supervise if under 5yrs) come after school to build something out of LEGOs with other kids or teens your age. Free, LEGOs provided (please leave your own LEGOs at home). Follow a design idea or invent your own! You may stay for a bit or the whole time. Ok...

Free

Tempe Public Library: Earth Day Gardening

Tempe Public Library 3500 S. Rural Rd., Tempe

Celebrate Earth Day by learning about sustainability and getting hands-on with eco-friendly gardening! Teens will decorate egg cartons, plant seeds, and discover creative ways to upcycle everyday items into mini gardens. This is a great way to reduce waste and give new life to items that might otherwise be tossed. Whether you're a seasoned plant...

Free

Flandrau Science Center & Planetarium: Extreme Weather

Flandrau Science Center & Planetarium 1601 E. University Blvd., Tucson

Weather has always been one of the most dynamic and complex forces shaping our planet, but now it’s intensifying in varied and complex ways. Extreme Weather takes us to the frontlines where few have gone. Audience: General, all ages Style: Fulldome film about natural disasters Planetarium Tickets Adults: $14 Children (ages 3-15): $10 Children ages 2 and...

Free – $14

Pima County Public Library: Garden Talk – Heat Proofing the Garden

Pima County Public Library - Himmel Park Library 1035 N. Treat Ave., Tucson

Proven techniques to help all your plants survive 100+ degree temperatures. Learn which plants are known to thrive in the heat. Presented by Pima County Master Gardeners from the University...

Free

Maricopa County Library District: Earth Day Celebration

MCLDAZ - Guadalupe Library 9241 S. Avenida Del Yaqui, Guadalupe

Celebrate Earth Day by creating flower seed bombs that can be planted and grown in your garden at home! All materials provided

Free