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During the past three winters, ozone—normally linked to hot-weather and urban pollution—has soared to health-threatening levels near a remote natural gas field in northwestern Wyoming. Now, scientists at the National Oceanic and Atmospheric Administration’s (NOAA) Earth System Research Laboratory have solved the problem of how ozone can form in cold weather at levels threatening to human health. Their results, published Jan. 18 in the journal Nature Geosciences, are forcing researchers to rethink the mechanics of ground-level ozone production. (More)
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