02 Dec '11, 11pm

NASA Satellites Reveal Decline in Coal Pollution

NASA Satellites Reveal Decline in Coal Pollution

NASA's satellite imaging systems are good for analyzing all sorts of environmental stuff: mapping sea ice extent, revealing the impact of mountaintop removal mining, tracking oil spills, and, now, examining air pollution emitted from coal plants. As you're likely aware, coal-fired power plants emit some seriously nasty pollutants (mercury, sulfur, etc) in addition to hefty amounts of carbon dioxide. And, according to research completed with the aid of some new NASA satellite images, at least one of those pollutants, sulfur dioxide, has registered a steep decline in recent years. Which is good news, seeing as how it happens to cause acid rain and myriad respiratory woes. See the before and after images below: NASA/Public Domain Nice, right? And something that everyone can agree upon: Less acid rain, less health risk for the public, cleaner air. So what lead these coal plant...

Full article: http://www.treehugger.com/fossil-fuels/nasa-satellite-pho...

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SO2 Pollution Controls Bring Results [image] #NASA

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View Image Comparison View Both Images Scientists, regulators, and the electric power industry came together to address a ...

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