A Colorado freezer is out of space to store ice samples up to 4.5 million years old

A minus-40-degree vault concealed in a federal government warehouse west of Denver holds the climate science equivalent of gold: the United States' growing collection of ice from around a warming planet, half a million cylindrical cores up to 4.5 million years old. But now that freezer is full.

Related Keywords

Denver ,Colorado ,United States ,Antarctica ,Denver Federal Center ,Greenland ,Brad Markle ,Tyler Jones ,Andy Cross ,University Of Colorado ,National Oceanic ,National Ice Core Facility ,Us Environmental Protection Agency ,Cu Institute For Arctic ,Alpine Research ,Us Geological ,National Science Foundation ,Atmospheric Administration ,United State ,Ice Core Facility ,Curtis La Bombard ,Lindsay Powers ,Denver Federal ,West Antarctica ,Denver Post ,National Science ,Protection Agency ,