Rapidly Making Colorful Landsat-8 Imagery Composite with Free Advanced Image Stretching and Pan-sharpening Software from GeoSage - See more at: http://www.gisuser.com/content/view/30197/2/#sthash.36sxzlnJ.dpuf
From May, 2011 episode 4 in this popular educational video series from Penn State Public Broadcasting a closer look at change and how geospatial technology can help monitor the changing Earth.
About the video - The fourth and final episode explores geospatial technology around the world: monitoring global climate change, preventing famine, tracking disease and mapping communities never before seen on a map. Source: PSU Youtube Channel