Geography Education
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What Doesn't Stay in Vegas? Sprawl.

This NASA-produced timelapse video of Landsat data shows the spatial spread of the Las Vegas metropolitan area from 1975-2010.  These are not true color images, but false color that shows the near infrared portions of the electromagnetic spectrum as red in the image.  Geospatial technologies are once again, shown as invaluable in our analysis of the urban environment.   

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Nicholas Rose's comment, September 4, 2012 12:06 PM
As I look at this video, I noticed that as the years go by there is more urban sprawl in Las Vegas. The reason is because more rich people live in Las Vegas and more hotels and casinos are built to increase the city's economic development. According to the NASA timelapse, the City of Las Vegas is increasing in size and population.
Geography Education
Global news with a spatial perspective:  Interesting, current supplemental materials for geography teachers and students.
Curated by Seth Dixon