Maybe you love your gas stove but it may not love you back
Stanford University
For many people in the United States, spending time indoors does not guarantee protection from harmful air pollution. A new study led by Stanford University and published Dec. 2 in PNAS Nexus reports that gas and propane stoves release significant amounts of nitrogen dioxide. This pollutant has been associated with asthma, obstructive pulmonary disease, preterm birth, diabetes, and lung cancer.
According to the research, switching from gas to electric stoves lowers nitrogen dioxide exposure by more than one quarter nationwide and by about half for people who use their stoves most frequently. Earlier studies documented nitrogen dioxide from gas stoves, but this work is the first to examine both indoor and outdoor exposure across the entire country.
"We know that outdoor air pollution harms our health,
but we assume our indoor air is safe." said study senior author Rob
Jackson, the Michelle and Kevin Douglas Provostial Professor in Earth System
Science at the Stanford Doerr School of Sustainability. "Our research
shows that if you use a gas stove, you're often breathing as much nitrogen
dioxide pollution indoors from your stove as you are from all outdoor sources
combined."
Indoor pollution can be as dangerous as outdoor emissions
Outdoor air pollution contributes to hundreds of thousands
of deaths in the U.S. each year and leads to millions of new cases of childhood
asthma worldwide. Laws such as the U.S. Clean Air Act have helped reduce
outdoor pollution, but indoor air remains largely unregulated even though it
can pose similar risks. This new analysis is the first nationwide evaluation of
how much nitrogen dioxide people encounter from both indoor and outdoor
sources, including gas stoves, vehicle traffic, and electricity generation.
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