UArizona Compost Cats

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UArizona Compost Cats If you have questions or want to learn more about what we do, visit our website at compostcats.arizona.edu or email us at [email protected].

Compost Cats is a student-supported program of the University of Arizona’s Office of Sustainability that focuses on organic waste reduction and diversion, community outreach and engagement, public education, and research facilitation. The mission of Compost Cats is to promote environmental, economic, and social justice by creating a quality soil amendment while mitigating climate change, increasing food security, and empowering the community through experiential education, innovation, and environmental advocacy. We divert food waste through our residential compost program, the Bucket Program, our commercial compost program in partnership with the City of Tucson, the FoodCycle Program, and at our demonstration sites throughout the city.

Did you know that Compost Cats accepts coffee grounds and filters in FoodCycle at Home? Adding coffee grounds to your co...
09/03/2026

Did you know that Compost Cats accepts coffee grounds and filters in FoodCycle at Home? Adding coffee grounds to your compost not only makes it smell better but also contributes helpful nitrogen and organic matter!

This week’s edition of KUWTCC features Compost Cats Jess, Jack, and Salome!Jess, Jack, and Salome recently supported a C...
07/18/2026

This week’s edition of KUWTCC features Compost Cats Jess, Jack, and Salome!

Jess, Jack, and Salome recently supported a City of Tucson FoodCycle@Home training session at the ENR2 building, helping participants learn how the program works and how to compost their food scraps at home.

Salome also spent time at Tucson Village Farm checking the temperature of one of our “cooking” compost piles. By tracking the heat inside the pile, she can see whether the materials are breaking down properly and help keep the composting process on track.

Thanks for tuning in to this week’s installment of Keeping Up With The Compost Cats, a series where we share what our staff is doing as they travel, enjoy the seasons, and continue composting!

Happy 4th of July! Are you curious to see which holiday staples you can compost this year? Swipe to find out!
07/04/2026

Happy 4th of July! Are you curious to see which holiday staples you can compost this year? Swipe to find out!

Monsoon rain can be great for compost, but balance matters! After a heavy Tucson storm, check your compost pile, add dry...
06/26/2026

Monsoon rain can be great for compost, but balance matters! After a heavy Tucson storm, check your compost pile, add dry browns when needed, cover exposed food scraps, and turn the pile to bring air back in.

Thank you to the Arizona 4-H Youth Summit participants for joining us in ENR2! Swipe to learn more about this event!
06/08/2026

Thank you to the Arizona 4-H Youth Summit participants for joining us in ENR2! Swipe to learn more about this event!

Happy Learn About Compost Day!Composting is one of the easiest ways to give food scraps a second life. Instead of sendin...
06/01/2026

Happy Learn About Compost Day!

Composting is one of the easiest ways to give food scraps a second life. Instead of sending organic waste to the landfill, composting turns it into nutrient-rich soil that can support plants, gardens, and healthier ecosystems.

Compost Cats is hiring!Want a student job where you get paid and make a visible impact on campus? Join our team as an En...
05/28/2026

Compost Cats is hiring!

Want a student job where you get paid and make a visible impact on campus? Join our team as an Environmental Education Specialist!

You’ll help with K-12 and community education, support workshops, work outdoors, and be part of the people behind composting at the U of A. No prior experience needed, we’ll train you.

Apply on Handshake, link in bio!

Ready to turn your food scraps into fuel for the future? If you’re interested in reducing household waste and learning a...
05/25/2026

Ready to turn your food scraps into fuel for the future? If you’re interested in reducing household waste and learning about the ins and outs of composting in our desert environment, this is your sign to get started. Swipe to view our upcoming in-person information sessions across Tucson throughout June.

Did you know your compost pile is full of living microbes that need water to survive? During the intense heat of a Sonor...
05/20/2026

Did you know your compost pile is full of living microbes that need water to survive? During the intense heat of a Sonoran Desert summer, a dry pile stops breaking down organic waste and goes dormant. Check out our Sponge Test to see how your compost is doing!

Congratulations to our Spring 2026 graduates! Your dedication, creativity, and hard work have left a lasting mark on the...
05/15/2026

Congratulations to our Spring 2026 graduates! Your dedication, creativity, and hard work have left a lasting mark on the Compost Cats program. We are so proud of your accomplishments and can’t wait to cheer you on as you embark on your next adventures!

Greta Cotraccia served as Maintenance Team Lead, as well as a member of the FoodCycle team. She is graduating with a major in Environmental Studies and minor in Sustainable Built Environments. Upon graduation, she plans to move to Austin, TX!

Kaitlyn Barth was our Environmental Education Team Lead, in addition to helping out with maintenance and outreach. She is graduating with a major in Leadership and Learning Innovation and minors in Astronomical Studies and Environmental Studies. This summer, she plans to road-trip to Pennsylvania and work at a summer camp at Elmwood Park Zoo!

Kayden Martinez worked as an Environmental Education Specialist. He is graduating with a BS in Geography, BA in Environmental Studies, and minors in Marine Science, Geography, and Environmental Studies. Post-graduation, he will intern at the Dauphin Island Sea Lab in Alabama, the state’s primary marine education and research center. At the end of the summer, he will head off to pursue a Professional Science Master’s in Marine and Environmental Science at the University of the Virgin Islands!

Laurel Doan served as a Compost Systems Specialist and assisted with outreach. She is graduating with a major in Neuroscience and Cognitive Science and a minor in Biochemistry. She plans to work for a year and then attend dental school!

Azzy Johnson worked as an Environmental Education Specialist, as well as contributed to the maintenance and FoodCycle teams. She is graduating with a major in Natural Resources!

Katie Sweet was our Marketing & Outreach Team Lead. She is graduating with a double major in Dance and Biosystems Engineering. Upon graduation, she intends to pursue a professional dance career while staying involved in research!

To all of our graduates, thank you for everything!

Address

1064 E. Lowell Street Room N495
Tucson, AZ
85719

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