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Kentucky Takes a Proactive Step on Carbon Monoxide Safety in Schools — and Other States Should Pay Attention
When it comes to carbon monoxide (CO) safety in schools, most action happens after someone is harmed. Too often, it takes hospitalizations—or worse—for inspections, policies, or funding to follow.
That’s why Kentucky’s recent announcement outlining a 2026 statewide carbon monoxide safety initiative deserves national attention.

Nikki James Zellner
Jan 83 min read


Carbon Monoxide in Student Housing: The Overlooked Student Safety Risk
Carbon monoxide in college housing has injured and killed students across the U.S.—often in dorms, fraternity houses, and off-campus apartments where detection and training are inconsistent. Drawing from national incident data and real campus tragedies, this article explores why CO safety varies by state, why building codes treat student spaces differently, and why many students are being told to protect themselves with personal CO alarms.

Nikki James Zellner
Dec 22, 20255 min read


The Hidden Rules That Shape CO Safety in Schools: Why Occupancy Types Matter More Than You Think
Carbon monoxide (CO) detection rules are inconsistent across schools, daycares, churches, camps, and athletic facilities. Buildings aren’t regulated by who uses them — they’re regulated by how the code classifies them.
And that classification, called an occupancy type, determines whether CO detection is required, optional, or never mentioned at all.
The problem? Most parents, teachers, and even administrators have no idea which occupancy type their building falls under.

Nikki James Zellner
Dec 11, 20255 min read


Why We Redesigned America’s Only National Database of School Carbon Monoxide Incidents – And What’s Changing
Explore how CO Safe Schools strengthened its national database of school carbon monoxide incidents—and why better data improves public health, safety, and prevention.

Nikki James Zellner
Dec 10, 20256 min read


School CO Sources: The Five Main Ways Carbon Monoxide Builds Up In Daycares, K-12, and College Campuses
When a carbon monoxide (CO) incident happens on a school campus, one of the first questions everyone asks is: “Where did it come from?” Parents want to know. Staff want to know. Journalists want to know. Fire marshals and investigators need to know. But right now, the language we use to describe CO sources in schools is inconsistent and confusing. News stories call it a “gas leak,” a “ventilation problem,” an “equipment issue,” or simply “fumes,” even when the actual hazard

Nikki James Zellner
Dec 4, 20254 min read


Is Carbon Monoxide a "Gas Leak," or should we be calling it something else?
It's time to set the record straight: Carbon monoxide is not a “gas leak.” It is a toxic gas exposure. And using the wrong language confuses the public, delays understanding, and prevents families from knowing what actually happened, or how to protect their children in the future.
This imprecise reporting isn’t a small issue. It undermines awareness, downplays risk, and allows preventable CO incidents to keep happening.

Nikki James Zellner
Dec 3, 20255 min read


School CO Safety: Choosing the Right CO Detection Device Protects Not Just Life, But Health
If you’re responsible for a school, childcare center, campus facility, or any public building, you may have been told some version of: “Don’t worry; we have CO detectors installed.”
But here’s the problem: Most buildings rely on carbon monoxide devices that weren’t designed for educational or multi-room environments. And many assume all CO detection devices work the same; they don’t.

Nikki James Zellner
Nov 6, 20255 min read


The 4 P's of CO Safety: A Framework for Safer Schools and Communities
Every year, students and educators are exposed to, and often poisoned by, a gas that no one can see, smell, taste, or hear: carbon monoxide. At CO Safe Schools, we believe that awareness isn't enough; we need a framework that helps everyone understand how to take action. That's why we developed the 4 P's of CO Safety: poison, prevention, protection, and preparedness.

Nikki James Zellner
Nov 2, 20254 min read


Beyond the Chart: Understanding the impact of carbon monoxide on the Human Body
For decades, carbon monoxide (CO) safety education has relied on a familiar visual: a chart linking parts per million (PPM) to predicted health effects. It’s neat, it’s easy to reference, and it’s dangerously incomplete.
Because carbon monoxide exposure doesn’t follow charts. It follows conditions: who you are, where you are, and how long you’re there.
That’s why it’s time for a new way to understand CO’s impact: a model that puts people, not numbers, at the center.

Nikki James Zellner
Oct 30, 20253 min read


Why Don't All Schools Have Carbon Monoxide Detection? Breaking Down the Barriers in CO-related School Safety
"Why Don't All Schools Have Carbon Monoxide Detection?" Tune in for the answer.

Nikki James Zellner
Sep 17, 20256 min read


The Hidden Crisis: 103 Carbon Monoxide Incidents Have Poisoned Students Across America's Schools in the Last Five Years
Carbon monoxide exposure is preventable. Our Five Year Snapshot report shows there's still a ways to go before schools are actually taking the steps to prevent.

Nikki James Zellner
Sep 13, 20254 min read


Understanding Negative Air Pressure and CO Risk: What Happened in Osceola Could Happen Anywhere
"Negative air pressure" may sound harmless, but it's a big factor in carbon monoxide buildup in school buildings.

Nikki James Zellner
Sep 13, 20255 min read


Why States Must Adopt the Latest I-Codes to Protect Schools and Communities: Carbon monoxide regulations shouldn't live in a loophole
The model building codes used in the U.S. are updated every three years, but not often regularly adopted by states, leaving tremendous gaps in safety.

Nikki James Zellner
Sep 9, 20254 min read


2023-2024 Campus Report Card reveals a harrowing look at this past academic year's carbon monoxide incidents on school campuses
CO Safe Schools has released its 2nd annual U.S. Campus Report Card – highlighting startling statistics and data for 2023-2024 school year.

Nikki James Zellner
Aug 6, 20244 min read


2022-2023 Campus Report Card shows carbon monoxide exposure remains an issue in U.S. schools
CO Safe Schools has released its Campus Safety Report for the 2022-2023 school year, reviewing the year's campus-based CO incidents.

Nikki James Zellner
Sep 8, 20234 min read


Indoor Air Quality monitoring for carbon monoxide in schools
A look at Boston Public Schools Indoor Air Quality (IAQ) dashboard, released in 2022.

Nikki James Zellner
Aug 27, 20236 min read


If your carbon monoxide alarm is beeping, what should you do?
Carbon monoxide alarms are readily used in homes – but would you know what to expect to see or hear in a daycare, school, or college campus?

Nikki James Zellner
Jul 7, 20231 min read


CO detection requirements on daycare, school and college campuses in the United States
The big question: why are there no federally mandated carbon monoxide detection requirements in schools? The not so simple answer:...

Nikki James Zellner
Mar 8, 20234 min read


'Cause for Alarm' webinar to address modern sources of CO impacting daycares, schools, and colleges
This webinar focuses on the educational aspect of CO safety – understanding what it is, how it impacts a campus, and how to get involved.

Nikki James Zellner
Oct 30, 20222 min read


Who's culpable in Allentown?
Another carbon monoxide poisoning incident in a school – this time catching national media's attention because of the events that...

Nikki James Zellner
Oct 15, 20224 min read
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