Surface Waters / Wetlands | 3 | |
Invertebrates | 2 | |
Ocean / Sea | 2 | |
Birds | 1 | |
Fish | 1 | |
Land Mammals | 1 | |
Microbes | 1 |
Safety | 3 | |
Food Security | 2 | |
Pets | 2 | |
Human Health | 1 | |
Sports / Recreation | 1 |
5 | 1 |
|
|
4 | 1 | 1 |
|
|
|
United States | 3 | |
Canada | 2 |