Weather | 3 | |
Land Mammals | 1 |
Transportation | 2 | |
Communication | 1 | |
Economic Impact | 1 | |
Energy | 1 | |
Human Health | 1 | |
Buildings | 1 | |
Safety | 1 | |
Sanitation | 1 | |
Water Management | 1 |
4 | 1 |
|
|
Canada | 2 | |
Spain | 1 | |
United States | 1 |