Gas Flares (IMAGE) NOAA Headquarters 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 Usage Restrictions Embargoed until Oct. 1, 1 p.m. ET License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.