Start Date: End Date: Published Date Data Date
Retreat of Alaska’s Columbia Glacier
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Published July 24, 2012
Since 1980, the volume of a glacier that spills into the Prince William Sound has shrunk by half.
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More City, Less Green in Tucson, Arizona
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An astronaut photo from 1965 and a satellite image from 46 years later show cityscape engulfing green areas in the dry Southwest.
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Beijing Grows from Ancient City to Global Hub
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Published July 23, 2012
The longevity of Landsat allows scientists to monitor natural and human-induced changes, like urban growth.
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Growth of Central Pivot Irrigation, Kansas
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These images from 1972 and 2011 show the transformation of agriculture near Garden City.
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