Ozone on the rise – suggests air pollution controls aren’t ‘working in addition to we thought’ – The Shepherd of the Hills Gazette

In a first-ever study using ozone data collected by commercial aircraft, researchers from the Cooperative Institute for Research in Environmental Sciences (CIRES) at the University of Colorado Boulder found that levels of the pollutant in the lowest part of Earths atmosphere have increased across the Northern Hemisphere over the past 20 years. Thats even as tighter controls on emissions of ozone precursors have lowered ground-level ozone in some places, including North America and Europe
In an …

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