Land | 4 | |
Ocean / Sea | 1 |
Safety | 3 | |
Communication | 2 | |
Human Health | 2 | |
Buildings | 2 | |
Energy | 1 | |
Transportation | 1 |
2 | 2 |
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1 | 1 | 1 | 1 |
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FALL | 1 | |
SPRING | 1 | |
SUMMER | 1 | |
WINTER | 1 |
Iceland | 1 | |
Taiwan | 1 | |
United States | 1 |