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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
2 days ago5 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 65 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 24 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 303 min read


Carbon monoxide (CO) is not Carbon dioxide (CO2)
Nikki sheds some real talk on CO and CO2.

Nikki James Zellner
Jan 16, 20221 min read
Differences in carbon monoxide detection devices
Not all carbon monoxide detection devices are created equal. And it's important to understand how, why and where each one should be used....

Nikki James Zellner
May 1, 20214 min read
The breakdown: Understanding carbon monoxide sources vs. carbon monoxide spreaders
When you're an advocate, you're an unpaid educator. So I'm going to put on my teaching hat for a minute here and help my students out....

Nikki James Zellner
Feb 24, 20213 min read
Common misconceptions about carbon monoxide risk in schools
After her children experienced carbon monoxide (CO) poisoning at their state-licensed, nationally accredited daycare in February 2020,...

Nikki James Zellner
Feb 24, 20213 min read
Virginia: Is this data even available?
Virginia Public Schools. 8 Regions. 133 School Divisions. 1,252,756 students enrolled in Fall 2020. 65,966 of those students are military...

Nikki James Zellner
Feb 24, 20212 min read


Require CO detectors now. Require transparency next.
Zero. That’s the # of schools in the Virginia Beach Public Schools that were built in 2015 or later. Meaning out of 86 schools, in...

Nikki James Zellner
Feb 24, 20211 min read
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