Surface Waters / Wetlands | 12 | |
Land | 6 | |
Ocean / Sea | 2 | |
Weather | 2 | |
Fish | 1 | |
Land Mammals | 1 |
Drought | 3 | |
Erosion | 1 | |
Ice / Snow Change | 1 |
Sanitation | 8 | |
Buildings | 5 | |
Transportation | 4 | |
Water Security | 3 | |
Cultural Impact | 1 | |
Energy | 1 |
1 | 1 | 3 | 2 | 1 | 4 |
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2 | 3 | 1 | 3 | 1 | 2 |
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SPRING | 5 | |
SUMMER | 4 | |
FALL | 3 |