Air | 2 | |
Surface Waters / Wetlands | 2 | |
Weather | 2 | |
Land | 1 | |
Ocean / Sea | 1 |
Energy | 2 | |
Human Health | 1 | |
Buildings | 1 | |
Transportation | 1 |
1 | 1 |
|
|
SPRING | 1 | |
WINTER | 1 |