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How the Climate System Works
- April 16, 2010
The Global Hawk research aircraft soars to hard-to-reach areas of the atmosphere to collect samples of trace gases and chemicals. Find out just how high the Global Hawk flies.
- April 22, 2010
Iceland’s Eyjafjallajökull Volcano roared to life on April 14, 2010, injecting billowing clouds of steam and volcanic ash into the atmosphere.