Denver, Colorado - Tubes holding ice cores stored at -36 degrees C (-33 degrees F) at the National Ice Core Laboratory. The lab stores 19,000 meters o

- Image ID: K5B141
Denver, Colorado - Tubes holding ice cores stored at -36 degrees C (-33 degrees F) at the National Ice Core Laboratory. The lab stores 19,000 meters o
Jim West / Alamy Stock Photo
Image ID: K5B141
Denver, Colorado - Tubes holding ice cores stored at -36 degrees C (-33 degrees F) at the National Ice Core Laboratory. 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 U.S. Geological Survey, funded by the National Science Foundation.
Location: Denver, Colorado, USA