Storms Threaten Ozone Layer Over U.S.

[W.G.Ewald]

http://www.nytimes.com/2012/07/27/s...aten-ozone-layer-over-us-study-says.html?_r=1

Strong summer thunderstorms that pump water high into the upper atmosphere pose a threat to the protective ozone layer over the United States, researchers said on Thursday, drawing one of the first links between climate change and ozone loss over populated areas.