Google Earth's Time-lapse Tool Shows 13 Years of Planetary Change

Want to watch deforestation spread across the Amazon, or witness Las Vegas conquering the deserts of Nevada? A feature on Google Earth lets you explore time-lapse footage from 13 years of satellite data. The tool -- built by Google, researchers at Carnegie Mellon University's robotics institute, and the US Geological Survey (USGS) -- lets you view imagery collected by Nasa's Landsat program between 1999 and 2011. Read More

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