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Climate Effects of Atmospheric Haze Better Understood, NOAA Researchers Report

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Image of hazy sky at sunset. Click for larger image.

Scientists have used a new approach to sharpen the understanding of one of the most uncertain of mankind’s influences on climate—the effects of atmospheric “haze,” the tiny airborne particles from pollution, biomass burning, and other sources. The new observations-based study led by Commerce’s National Oceanic and Atmospheric Administration (NOAA) confirms that the particles (“aerosols”) have the net effect of cooling the planet—in agreement with previous understanding—but arrives at the answer in a completely new way that is more straightforward, and has narrowed the uncertainties of the estimate. (More)

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