Claim: Climate change may worsen summertime ozone pollution

From the National Science Foundation: Americans face 70 percent increase in unhealthy ozone levels by 2050 Ozone pollution across the continental U.S. will become worse as global temperatures rise. Credit and Larger Version May 5, 2014 Ozone pollution across the continental United States will become far more difficult to keep in check as temperatures rise,…

Claim: Climate change threatens to worsen U.S. ozone pollution

From UCAR:  BOULDER—Ozone pollution across the continental United States will become far more difficult to keep in check as temperatures rise, according to new research led by the National Center for Atmospheric Research (NCAR). The detailed study shows that Americans face the risk of a 70 percent increase in unhealthy summertime ozone levels by 2050.…

Good news: no ‘ozone hole’ in the Arctic

From the Massachusetts Institute of Technology Plugging an ozone hole MIT researchers find that the extremes in Antarctic ozone holes have not been matched in the Arctic CAMBRIDGE, Mass– Since the discovery of the Antarctic ozone hole, scientists, policymakers, and the public have wondered whether we might someday see a similarly extreme depletion of ozone…

Claim: What would have happened to the ozone layer if chlorofluorocarbons (CFCs) had not been regulated?

A new modeling based paper in Atmospheric Chemistry and Physics takes on that question directly. Of course the result is another “saved the world” moment according to some: [ Source: http://twitter.com/AndrewDessler/status/442342191067693056 ] I certainly don’t have a problem with reducing CFC’s, but Andrew Dessler’s comment speaks to the hero syndrome some of these scientists seem…