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NASA | Ship Tracks Reveal Pollution's Effects on Clouds

NASA's MODIS satellite instrument reveals how air pollution may alter clouds, affecting global temperatures. This narrated visualization illustrates the effect by showing how ship exhaust leaves brights cloud trails in clean ocean air. The ship tracks themselves are too small to affect global temperatures, but they help us understand how larger pollution sources might change clouds on a bigger scale. To find downloadable versions of this video, visit: http://svs.gsfc.nasa.gov/goto?3667 Like our stuff? Subscribe to NASA's Goddard Shorts HD podcast: http://svs.gsfc.nasa.gov/vis/iTunes/f0004_index.html Or get tweeted by NASA: http://twitter.com/NASAGoddard Or find us on facebook: http://www.facebook.com/nasa.gsfc
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