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Fire and the Future of Yellowstone
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Published July 24, 2012
Intense fire scorched Yellowstone National Park in 1988, and the ecosystem is still recovering from the burn. More frequent fires in a warmer climate could force the ecosystem to change altogether.
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Retreat of Alaska’s Columbia Glacier
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Since 1980, the volume of a glacier that spills into the Prince William Sound has shrunk by half.
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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