TOURISM | 5 | |
Safety | 4 | |
Cultural Impact | 1 | |
Economic Impact | 1 | |
Human Health | 1 | |
Sanitation | 1 | |
Transportation | 1 | |
Water Security | 1 | |
Water Management | 1 |
2 | 3 |
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United States | 2 | |
Canada | 1 | |
Iceland | 1 |