Insects | 2 | |
Land Mammals | 2 | |
Land | 2 | |
Air | 1 | |
Microbes | 1 | |
Surface Waters / Wetlands | 1 | |
Weather | 1 |
Human Health | 3 | |
Agriculture | 1 | |
Energy | 1 | |
Buildings | 1 | |
Livestock | 1 | |
Sanitation | 1 | |
Transportation | 1 |
1 | 1 | 3 | 1 |
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1 | 1 | 2 | 1 | 1 |
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SUMMER | 3 | |
FALL | 1 | |
SPRING | 1 | |
WINTER | 1 |
United States | 3 | |
Sweden | 1 |