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action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home4/carbonsw/public_html/carbonswitchcms/wp-includes/functions.php on line 6114This is a part of a series about gas stoves and indoor air quality. You can read Part Two here<\/a>. <\/em><\/p>\n\n\n\n In the last year there have been dozens of high profile media stories about the negative health effects of natural gas cooking.<\/p>\n\n\n\n The Atlantic published a story titled, \u201cKill Your Gas Stove<\/a>.\u201d David Roberts wrote this lovely and totally nerdy summary<\/a> of a study published by RMI, Mothers Out Front, and Sierra Club. And more recently NPR ran a story<\/a> that got a lot of attention.<\/p>\n\n\n\n The gist of every story is this: Gas stoves produce pollutants like PM2.5, NO2, and CO. And while the EPA regulates these emissions outdoors, they don\u2019t regulate them indoors. A growing body of research suggests that this indoor air pollution leads to higher rates of asthma, heart disease, and other illnesses.<\/p>\n\n\n\n Last summer when I first read some of the stories and research studies on this topic, I have to admit that I was skeptical.<\/p>\n\n\n\n As a climate hawk, the first lens I looked at the research through was carbon emissions (and methane as a CO2 equivalent). And from that angle, gas cooking isn\u2019t a big deal.<\/p>\n\n\n\n 35% of households<\/a> use natural gas to cook. In those homes it only accounts for 3% of natural gas use<\/a>. That means gas cooking is responsible for ~6 million<\/a> tons of carbon emissions per year. That\u2019s 0.12% of our country\u2019s total and only 0.6% of total home energy emissions.<\/p>\n\n\n\n In other words I thought there were bigger fish to fry (no pun intended).<\/p>\n\n\n\n I also worried that in going after an appliance that is popular, the climate community would risk backlash. And that backlash might prevent progress on getting rid of appliances that people don\u2019t really have many opinions about, like furnaces and water heaters, which use 33 times more gas than stoves.<\/p>\n\n\n\n This summer that skepticism began to fade.<\/p>\n\n\n\n In early August, wildfires ripped through the Western United States. As a result the front range of Colorado \u2014 where I live \u2014 recorded the worst air quality of any city in the world<\/a>. Worse than Delhi, Beijing, and Katmandu.<\/p>\n\n\n\n As the air quality worsened I began to feel miserable, as if I caught a bad cold. My head hurt, my throat hurt, my entire body hurt. After a few days I went to get a COVID test. It came back negative.<\/p>\n\n\n\n Fortunately my wife and I had a trip planned to Maine. On our first day in the cleaner air I woke up feeling perfectly fine. It was clear the smoke made me sick.<\/p>\n\n\n\n Over the next few weeks, I went down a series of research rabbit holes, reading every paper I could find on the impact of air quality on human health (as one does).<\/p>\n\n\n\n One study<\/a> shocked me. Using millions of Medicare records, a group of researchers found that people living in places with bad air quality (zip codes with annual average PM2.5 levels of 12\u2009 \u03bcg\/m3) basically lost a year of life expectancy compared to those living in places with better air quality (annual average PM2.5 levels of 7.5 \u03bcg\/m3).<\/p>\n\n\n\n One night as I read these studies in my dining room, I made the connection. I looked over at our natural gas stove and it dawned on me: this thing is slowly killing me.<\/em><\/p>\n\n\n\n Still I had reasons to be skeptical.<\/p>\n\n\n\n Most studies on the association between life expectancy and air quality focused on outdoor air pollution. They focused on the impact of increased annual average exposures. But if I live in a city with good air quality and expose myself to bad air quality for 30-60 minutes 3-5 times per week when I cook, how does that affect the annual average?<\/p>\n\n\n\nIt\u2019s not about the carbon emissions<\/h2>\n\n\n\n
How to understand risk<\/h2>\n\n\n\n