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*ARCTIC REGIONS
3
CANADA
CONTINENTAL SHELVES
3
DENMARK
3
NATIONAL SECURITY
3
NORWAY
POLLUTION
3
RUSSIA
3
ALASKA
2
ARCTIC OCEAN
2
CONGRESS
2
GASES
2
GLOBAL
2
GREENLAND
2
MERCHANT VESSELS
2
MINERALS
2
RISK
2
SEA ICE
2
SHIPPING
2
SHORES
2
TEMPERATURE
2
UNITED STATES
2
WATER
2
*CLIMATE
1
*GEOPOLITICS
1
*GOVERNMENT(FOREIGN)
1
*INDIGENOUS POPULATION
1
*OCEAN ENVIRONMENTS
1
*PERMAFROST
1
*RESEARCH MANAGEMENT
1
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