| Last additions - Images by project |

Drifting Station Ceremonies34 viewsFlag ceremonies at North Pole stations typically marked the establishment of each new team. Image credit: EWG.Feb 14, 2013
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Drifting Station Ceremonies32 viewsSimilar to the opening ceremonies, the closing ceremonies also involved firing guns and rifles. This ceremony commemorates the closing of North Pole Station 25. Image credit: EWG.Feb 14, 2013
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Drifting Station Ceremonies44 viewsThe station members of NP-30, one of the last Russian North Pole Stations, gather for a photograph during the closing ceremony. Image credit: EWG.Feb 14, 2013
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77 viewsNational Snow and Ice Data Center (NSIDC) Technical Services Manager David Gallaher displays cooling unit features during construction of the NSIDC Green Data Center. The evaporative units reduce cooling energy by more than 90 percent.Jul 06, 2012
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92 viewsPanels in the solar array absorb the sunshine on the roof of the National Snow and Ice Data Center (NSIDC). Guests of the NSIDC Green Data Center open house received tours of the energy-saving facilities on May 4, 2012. —Credit: Kristin Bjornsen/CIRESJun 06, 2012
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100 viewsNational Snow and Ice Data Center (NSIDC) Program Manager Ronald Weaver shows guests air vents, which allow warm air from the data center to escape outdoors, at the Green Data Center open house on May 4, 2012 in Boulder, Colorado. —Credit: Kristin Bjornsen/CIRESJun 06, 2012
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114 viewsNational Snow and Ice Data Center (NSIDC) Program Manager Ronald Weaver and Information Technology Security Coordinator Mike Stowe lead a tour of the Green Data Center facilities at the Green Data Center open house on May 4, 2012 in Boulder, Colorado. —Credit: Kristin Bjornsen/CIRESJun 06, 2012
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116 viewsNational Snow and Ice Data Center (NSIDC) Program Manager Ronald Weaver leads a tour of the Green Data Center facilities at the Green Data Center open house on May 4, 2012 in Boulder, Colorado. —Credit: Kristin Bjornsen/CIRESJun 06, 2012
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116 viewsGuests listen to speeches at the National Snow and Ice Data Center (NSIDC) Green Green Data Center open house on May 4, 2012 in Boulder, Colorado. —Credit: Kristin Bjornsen/CIRESJun 06, 2012
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105 viewsNational Snow and Ice Data Center (NSIDC) Technical Services Manager David Gallaher speaks at the Green Data Center open house on May 4, 2012. —Credit: Kristin Bjornsen/CIRESJun 06, 2012
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112 viewsU.S. Representative Jared Polis for Colorado's Second Congressional District speaks at the Green Data Center open house on May 4, 2012. —Credit: Kristin Bjornsen/CIRESJun 06, 2012
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109 viewsNational Snow and Ice Data Center (NSIDC) Director Mark Serreze speaks at the Green Data Center open house on May 4, 2012. —Credit: Kristin Bjornsen/CIRESJun 06, 2012
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