Denver, Colorado - Geoff Hargreaves, curator at the National Ice Core Laboratory, holds a one-meter section of an ice core stored at -36 degrees C (-3

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Denver, Colorado - Geoff Hargreaves, curator at the National Ice Core Laboratory, holds a one-meter section of an ice core stored at -36 degrees C (-33 degrees F). The lab stores 19,000 meters of ice cores from Antarctica, Greenland, and North America, and makes them available to scientists studying climate change and other issues. The lab is part of the Geological Survey, funded by the National Science Foundation.

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Size: 5712px × 3808px
Location: Denver, Colorado, USA
Photo credit: © Jim West / Alamy / Afripics
License: Licensed
Model Released: No

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