Global Warming Intensify The Effects Of Smog

"More red alert air pollution days are in store for residents of 10 mid-sized U.S. cities as higher temperatures due to global warming intensify the effects of smog, a new analysis concludes.

The researchers project that, unless action is taken to curb global warming, by mid-century people living cities across the eastern United States would see a doubling of the number of red alert days and a 15 percent drop in the number of summer days with good air quality." Read more of story...