Category: "NOAA"
NOAA-led Research Team Takes Measure of the Variability of the Atmosphere’s Self-Cleaning Capacity
By editor on Jan 8, 2011 | In Environment, US Federal Government, NOAA, Pollution, Global Warming | Send feedback »
From NOAA News
Scientists will be better able to predict future pollution levels in the Earth's atmosphere
New analysis published online today in the journal Science shows that global levels of the hydroxyl radical, a critical player in atmospheric chemistry, do not vary much from year to year. Levels of hydroxyl, which help clear the atmosphere of many hazardous air pollutants and some important greenhouse gases — but not carbon dioxide — dip and rise by only a few percent every year; not by up to 25 percent, as was once estimated.
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