Gas Flares (IMAGE)
Caption
Natural gas flares from a stack in Utah's Uintah Basin where a new study by NOAA and CIRES shows that chemicals released into the air by oil and gas activities can spark reactions that lead to high levels of ozone in wintertime.
Credit
Photo by Scott Sandberg, NOAA
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Embargoed until Oct. 1, 1 p.m. ET
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