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Earth Day AZ 2021

Earth Day AZ 2021

Earth Day AZ 2021

Ten Arizona mayors are joining together to celebrate Earth Day AZ, a new statewide collaboration celebrating the many ways Arizona communities support the Earth with the goal of inspiring residents to take action for Earth Day during the month of April and beyond.

As members of and in partnership with ASU’s Sustainable Cities Network, these Arizona mayors and communities are showing that there is power in unity and that we all have a role to play in ensuring our planet’s health now and in the future.

Collectively, we can protect our precious and diverse natural resources and secure a thriving future for our state and the world.

Join us!


City of Avondale

Tres Rios River Cleanup

Help pick up litter to keep our rivers beautiful.
When: Saturday, April 17 from 7 – 9 a.m.
Where: Tres Rios in Avondale (aka Base & Meridian Wildlife Area)

Household Hazardous Waste Disposal

Avondale residents safely dispose hazardous items for free!
When: Saturday, April 17 & Saturday, April 24 from 8 a.m. – Noon
Where: ACTEnviro disposal site, 6212 S. 75th Avenue, Laveen, AZ 85339
Signup: Call Public Works at 623-333-4400 or visit

Rio Earth Day Cleanup Week; Plogging

Going on a walk or run? Grab some litter before you’re done!
When: Saturday, April 17 through Saturday, April 24
Where: Anywhere in the Phoenix Metro area
Signup: To participate, download the Litterati app on your mobile phone. Beginning April 17, enter challenge code: RIOEARTH. Pick up litter anywhere, anytime and track your progress in the app.

Drive Electric Earth Day hosted by Electric Auto Association

Learn about electric vehicles from people who own them!
When: Thursday, April 22 (Earth Day!) from 10 a.m. to 3 p.m.
Where: Avondale Civic Center Library parking lot, 11350 Civic Center Drive, Avondale, AZ 85323
Signup: No registration required for this free event. Learn more at

Rio Earth Day Cleanup at 91st Ave

Show your love for the river by helping clean it up and receive a free native plant or seek packet to take home.
When: Saturday, April 24 from 9 – 11:30 a.m. or 1:00 – 3:30 p.m.
Where: west side of 91st Avenue and the Salt River
Signup: Register at Space is limited to 40 volunteers per shift.

Citizen Science with the Library

Want to help advance science during Earth Month? Check-out a Citizen Science Kit from the Avondale Public Library!
When: New kits released April 7, 14, and 21
Where: Pickup your kit at either Avondale library during business hours
Signup: Learn more at

Arbor Day

Join the City virtually as we plant trees in honor of our Tree City USA designation and share a special announcement.
When: Friday, April 30
Where: Follow Avondale Recreation on Facebook (@avondaleparkandrec) or City YouTube channel (City of Avondale, AZ – YouTube).

City of El Mirage

Resident can keep up with conservation and sustainability activities in the city by visiting

Hazardous Waste Pick-Up

The City of El Mirage will offer an annual hazardous waste pick-up service to residents who receive City provided solid waste services.
When: April 19 – May 6
Where: Picked up directly from your home

Recycle Right Wizard

Try the Recycle Right Wizard online – just type in anything and it will tell you whether it can be recycled.
When: April Daily
More info:

APS Take Charge AZ

Four electric vehicle (EV) charging stations were recently installed in front of the El Mirage Police Department facility at 12401 W. Cinnabar Ave. and are now available free of charge to the public. These Level 2 chargers can be used by any on-road passenger electric vehicle and provide 10 to 20 miles of range per hour plugged in and charging. The environment-friendly charging stations are part of the “APS Take Charge AZ” pilot program.
When: 6:00am – 10 pm, daily
More info:

Earth Day Wash Cleanup (employee event – not open to public)

Employees will celebrate this Earth Day by spending a few hours helping to clean up the wash area between Thunderbird and Cactus. This is a first year event with hopes of opening it up to the community in following years.
When: April 22

City of Flagstaff

We are excited to announce that Earth Day 2021 will be hosted via virtual engagement. We are partnering with communities around the state, featuring our elected officials, sharing their hopes for Earth Day Action. Earth Day is Thursday, April 22, 2021, but look for social media videos in the weeks leading up to Earth Day and on this page, where we can post the links to the videos. We’ll have 7 videos total, all outlining a vision for combating climate change and a call to action. We invite you to engage with the call to action and share your story here! And don’t forget to follow us on Facebook!

Town of Fountain Hills

Residential Electronics Recycling Event

After postponing in 2020, the Town of Fountain Hills will hold its Residential Electronics Recycling Event this year!
When: April 24, 9am – 12pm
Where: Community Center parking lot, located at 13001 N. La Montana Drive
More info:

Fountain Hills Participating in National Prescription Drug Take Back Day

The Maricopa County Sheriff’s Office and Town of Fountain Hills are Participating in National Prescription Drug Take-Back Day with a drug drop-off event.
When: April 24, from 10 a.m. to 2 p.m
Where: Town of Fountain Hills Town Hall 16705 E. Avenue of the Fountains
More info:

Friends of the Library Shred-A-Thon

The Town is very excited in our continued co-sponsoring with the Fountain Hills Friends of the Library in holding two document destruction events each year.
When: May 22, 9-11am
Where: Town Hall parking lot
More info:

Recycled Art Contest

Fountain Hills is proud to partner with Republic Services to offer our first annual Recycled Art Contest in celebration of Earth Day 2021. Create art from materials destined for the trash or recycle!
More info:

Storm Water Program

As part of our Storm Water Program the Town has a very thorough street sweeping program. By removing this debris from the roadways we remove the ability for our storm water to carry the debris sending the pollutants to outfalls and into the ground and eventually into the natural water supply system. Fountain Hills is a member of Storm Water Outreach for Regional Municipalities (STORM) an organization made up of 23 municipal organizations. The STORM organization helps provide educational material relating to storm water management and provides a forum for discussion on best management practices for participating municipalities.

City of Mesa

mayor of mesa

Holiday Play – Earth Day

Geared for youth from ages 5-12, activities will include tree and flower planting, a ladybug release, a solar cooking demonstration, upcycled crafts, and more! Attendance is limited and preregistration is required.
When: April 17am
Where: Carriage Lane Park
More info:

Upcycle Seed Starter Challenge

When: April 22
Where: i.d.e.a Museum
More info:

Visit our Earth Day page for 50+ fun and easy tips and earth-friendly programs.

City of Mesa Earth Day and Arbor Day Press Release

Town of Oro Valley

Landscape & Wildlife, with the Coalition for Sonoran Desert Protection and Earth Day celebration

Carolyn Campbell of the Coalition for Sonoran Desert Protection will talk about the mission of the coalition. Learn about the history of the Oracle Road wildlife bridge north of Oro Valley, and enjoy photos of the animals that use the bridge to travel safely between the Santa Catalina Mountains and the Tortolitas. Such a great way to celebrate Earth Day!
When: April 22
Where: Virtual
More info:

City of Peoria

city of peoria logo

Water Awareness Month

April is Water Awareness Month! New Water Conservation Kits are available. Request a home water conservation kit to get items to help you save water, energy and money.

Household Hazardous Waste (HHW) Disposal

Improper disposal of Household Hazardous Waste (HHW) can cause fire in our solid waste vehicles, contaminate our water system and endanger our environment. Let us dispose of HHW responsibly; we will pick-up hazardous waste from your home.
When: Starting April 21
Sign up:

Document Shredding Event

It is time to recycle your old documents, in celebration of Earth Day we will be hosting a Shred-A-Thon!
When: April 17, 9am – 1pm
More info:

Blue Lid Pilot Program

RECYCLE, RECYCLE, RECYCLE! Peoria will be changing the lids on the recycle bin from brown to blue in two areas of the city. The new lids will have a list of acceptable items and will help improve our recycling rate while reducing the contamination. To learn more about this project visit

Upcoming Virtual Classes: April

  • 4/10 – Wildlife Friendly Landscapes Class, goes live on April 10th at 9 a.m. on
  • 4/17 – Worm Composting Class – Join us on Saturday, April 17 to celebrate Earth Day and learn more about composting with “red wiggler” worms. The first 50 registrants will receive a worm composting starter kit and in-kitchen compost-collecting bin. (Note: To qualify for the free starter kit and in-kitchen composting collecting bin, participant must have an active Solid Waste Account with the City of Peoria). Register online at This class is in part funded by a grant from The Arizona Recycling Coalition.
  • 4/24 – Resilient Landscapes Class, goes live on April 24th at 9 a.m. on

Plant a Tree Challenge

Kick off the Plant a Tree Challenge for Peoria’s Arbor Day Celebration! We are calling on our residents to help our community forest and shade coverage by encouraging desert tree planting from March 1 until Arbor Day on April 30. If you plant a tree during our challenge, upload your before and after tree planting picture to our DropBox account and be entered to win a prize! Need some guidance on how to properly select and plant a tree? We have two great videos that talk about just that!

2020 Arbor Day Planting Video Sustainable U Short Video on Tree Planting

City of Phoenix

  1. Plant a tree through donations to You can choose to donate to trees in streets, parks or vulnerable neighborhoods. A receipt will be issued for tax purposes.
  2. Let your voice be heard by speaking in an upcoming Council Council budget meeting or writing a comment in support of earth-friendly ideas proposed in the budget. Items proposed in the budget are for Street Transportation to plant 9 cool and walkable corridors each year (1800 trees), a new Office of Heat Response & Mitigation and funding for Climate Action. Learn more at
  3. Pick up one of the 300 “clean-up kits” on Earth Day at Steele Indian School Park from 8:00-12:00 being given away by Keep Phoenix Beautiful. Kits consist of a 5-gallon Lowe’s bucket, litter grabbers in both adult & child sizes, masks, gloves, and bags. We are encouraging residents to clean up their own neighborhood or local Park and tag us with photos at #MyBeautifulPHX.
  4. Join Rio Reimagined to clean-up the Salt River: Celebrate Earth Day by volunteering at community clean-up events! Join an in-person clean-up to restore crucial wildlife habitat by removing litter and recyclables from the Salt River. Click on the attached flyer for more info and sign-up for the April 24th in-person clean-up at

City of Scottsdale

city of scottsdale logo

Scottsdale celebrates Earth Day all month. From learning about eco-friendly simple solutions you can do in your everyday life to keeping track of how much waste you create in your own home, there are plenty of ways to learn how we can help our planet. Find all the ways you can participate. Remember to check out Scottsdale Video Network every Friday in April for informative videos from our Sustainable Scottsdale YouTube playlist, including a special extended version on Earth Day, April 22, focusing on the city’s Green Building Programs featuring Anthony Floyd and Mayor Ortega.

City of Sedona

Join our effort to keep Sedona sustainable. Help make our beauty, serenity and inspiration last as long as the spectacular red rock environment we love sharing with you.

More info
Event calendar

City of Tempe

city of tempe logo

Climate Stories

As part of public engagement for Tempe’s Climate Action Plan (CAP) 2021 Update, there will be Climate Stories in four Tempe parks so residents can provide direct feedback on the future of climate justice in Tempe. On Tuesday, April 6, Climate Stories will be posted in four parks in Tempe for the month of April. Follow the posters installed at Escalante Park, Papago Park, Kiwanis Park and Clark Park to read stories about Tempe’s future. These Climate Stories were developed by a team of ASU graduate students as part of an ASU course facilitated by Dr. Marta Berbes and Dr. Lauren Withycombe Keeler, with guidance from Dr. Braden Kay, the Director of Sustainability at the City of Tempe.
More info:

Dolores Huerta Day Youth Climate Justice Virtual Training

To honor and celebrate the birthday and activism of Dolores Huerta, the City of Tempe’s Office of Sustainability, along with our partner, Unlimited Potential, will host the Dolores Huerta Day Youth Activism and Climate Action Virtual Training on April 10 from 3 to 5 p.m. This training will be an opportunity for students between 8th and 11th grades to gain skills in how to utilize social media for community organizing, advocacy, working with cities on climate action, school-oriented climate action, climate justice, and more. The City of Tempe’s Office of Sustainability is excited to work with our partners, Unlimited Potential and Chispa Arizona, as well as a group of high school leaders, to host this important event.
When: April 10, 3-5pm
More info:

Tempe Zero Waste Day Event

When: April 24, 7am – 1pm
Where: Tempe Fire Training Center, 1340 E. University Drive

Input needed on sustainability issues.

We want your input on sustainability issues! Tell us what you think about Tempe’s Climate Action Plan update, the new City Council Sustainable and Livable Communities Committee, and Tempe’s TDM and Mobility Hub plans. All three surveys available at

City of Tucson

mayor of tucson

Wyland Foundation’s 2021 National Mayor’s Challenge for Water Conservation

What: Tucsonans pledge to conserve water and other natural resources and enter to win hundreds of eco-friendly prizes.
How: Visit , select Tucson as your city and complete a short survey to commit to saving water and other natural resources
When: April 1st to April 30th
Who: Mayor Regina Romero and entire Tucson community

Earth Day Extravaganza Family Activity Event

What: Family friendly, socially distanced event with opportunities for tree planting and a litter grabbing competition between 9am and 11am, and mobile recreation with Tucson Parks and Recreation Ready, Set, Rec! mobile Activity Van. Choose from games and activities such as yard games, cards, board games and corn hole. Masks required.
Where: Mansfield Park, 2000 N. 4th Ave.
When: April 24th from 10am-12pm
Who: Mayor Regina Romero’s Tucson Million Trees initiative, Tucson Parks and Recreation, Team Up to Clean Up, Tucson Clean & Beautiful

Earth Day Drive-thru Extravaganza & Tree Sale

What: Goodies and educational materials GIVE AWAY and pre-sale of compost kits and trees
Where: Donna Liggins Recreation Center in Mansfield Park, 2160 N. 6th Ave.
When: April 24th from 9am-12pm
Who: Environmental and General Service Department, Tucson Water, Department of Transportation and Mobility, Tucson Parks and Recreation, Tucson Clean & Beautiful, BrandBuilders, LLC

Compost Bin & Tree Give Away

What: Five “The Earth Machine” compost bins and 10 trees GIVE AWAY
How: All in one comment tag 1 friend and write if you’d like a compost bin or a tree. You must be following our page to win!
Pick up: Donna Liggins Recreation Center in Mansfield Park, 2160 N. 6th Ave.
When: April 24th from 9am-12pm
Who: Environmental and General Service Department, Tucson Clean & Beautiful

Presentation: 10 Tips to Grow Native Desert Trees with Harvested Water

What: Presentation and discussion with Ann Audrey on tips to grow native desert trees with harvested water
When: April 28th at 5:45pm
Who: Tucson Clean & Beautiful, Arizona Department of Forestry and Fire Management, Mayor Regina Romero’s Tucson Million Trees initiative
Link to register:

Tree planting and Arbor Day Proclamation reading

What: Vice Mayor Nikki Lee and special guest, Mayor Regina Romero, will celebrate growth and new life as they plant trees and highlight the next generation of leaders and doers in the Tucson community.
Where: Lincoln Regional Park at 4325 S. Pantano Road, Tucson
When: April 30th at 9am
Who: Vice Mayor Nikki Lee and Mayor Regina Romero


This Earth Day, April 22 is unlike any other. In the year 2021, ASU and the student community are celebrating 51 years of love and recognition for the planet we live on. This year, we also have a unique opportunity to Build Back Better. We are empowered to create the world we want to live in — a world where all plants, animals, current and future human beings can not just live, but thrive for the next 100 years and beyond. We are one Earth and one ASU community – a better world starts with you, but even small, individual actions add up quickly when we do them together. Click here for a list of ASU Earth Day information, events, and impactful actions.

Learn More

Other Events & Info

2021 City Nature Challenge

Starting April 30 through May 3, Metro Phoenix EcoFlora project will host a 2021 City Nature Challenge. This is a global effort to observe and document as much urban biodiversity as possible while engaging in community science. Using a free app called iNaturalist, anyone can get involved and share their observations anywhere from neighborhoods to local parks. Metro Phoenix Ecoflora is a community initiative of Desert Botanical Garden and the Central Arizona Conservation Alliance.
More Info:

RIO Earth Day Salt River Cleanup – Sat., 4/24/21 9am-3:30pm

Join this in-person clean-up on Saturday, April 24, 2021 from 9am-3:30pm to restore crucial wildlife habitat by removing litter and recyclables from the Salt River. To volunteer, register here.