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Study finds rising temperatures increase risk of unhealthy ozone levels absent sharp cuts in precursors

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Ozone pollution across the continental United States will become far more difficult to keep in check as temperatures rise, according to new work led by the National Center for Atmospheric Research (NCAR). These gases come from human activities such as combustion of coal and oil as well as natural sources such as emissions from plants.

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Devil in the Details: World Leaders Scramble To Salvage and Shape Copenhagens UNFCCC Climate Summit

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Jacobson first showed in 2000 that black carbon was the second-leading cause of global warming after carbon dioxide in terms of radiative forcing and, in 2002, that its control would be the most effective method of slowing warming. ºC in 2050, as compared to 2000 temperatures. ºC in 2020, and 2.3 “It has implications for us.

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