Ocean / Sea | 3 | |
Marine Mammals | 2 | |
Birds | 1 |
Safety | 4 | |
Transportation | 2 | |
Air Quality | 1 | |
Human Health | 1 |
4 | 1 |
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Russia | 2 | |
Svalbard and Jan Mayen | 1 | |
United States | 1 |