Dr. Joel McCorkel shows visitors NASA data visualizations at the U.S. Center at the 18th Session of the Conference of the Parties to the UN Framework Convention on Climate Change (COP-18) in Doha, Qatar, November 30, 2012. [State Department photo/ Public Domain]
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/statephotos/8231783243/">NASA's Dr. Joel McCorkel Presents at the U.S. Center</a>