Clean Air and Learning Mississippi (C.A.L.M.)
Better Air. Better Learning.
Our Mission
Every student deserves to learn in a healthy environment. Poor indoor air quality impacts student health, concentration, and academic success. Through education, advocacy, and practical solutions, C.A.L.M. aims to equip schools with resources to improve classroom air quality to ensure that Mississippi’s students and teachers can breathe easier every day.
What is a Corsi-Rosenthal Box?
The Corsi-Rosenthal Box is a powerful, low-cost, do-it-yourself air cleaner built with just a box fan, MERV-13 filters, cardboard, and duct tape.
It’s not fancy—but it works.
- Removes airborne particles, including viruses, allergens, and pollutants
- Improves classroom air quality in under an hour
- Quiet, affordable, and effective—perfect for schools
Best of all? Students can help build them. These boxes don’t just clean the air—they teach kids about public health, environmental responsibility, and the power of innovation.
What We Do
Want to bring C.A.L.M. to your school?
Our Partners
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The University of Mississippi Department of Public Health
Home of C.A.L.M., providing leadership, research, and outreach.
Department of Public Health -
The Corsi-Rosenthal Foundation
Supporting material distribution and cost-effective air filtration solutions.
The Corsi-Rosenthal Foundation -
The University of Mississippi Center for Mathematics and Science Education
Developing age-appropriate curriculum aligned with Mississippi Educational Standards, enabling educators to lead hands-on lessons on air quality and health.
Center for Mathematics and Science Education
Resources for Schools & Educators
Join the Movement
We’re building a network of students, educators, and public health advocates committed to making clean air a priority in Mississippi schools. Here’s how you can help:
- Educators – Integrate C.A.L.M. lessons into your classroom.
- Students – Advocate for better air quality in your school.
- Community Members – Support our initiative and spread the word!