Surface Waters / Wetlands | 3 | |
Air | 2 | |
Land | 2 | |
Ocean / Sea | 2 | |
Fish | 1 |
Pollution | 9 | |
Debris / Trash | 1 | |
Death / Die-off / Decline | 1 | |
Extreme Precipitation | 1 | |
Extreme Temperature | 1 | |
Flooding / Draining | 1 | |
Ice / Snow Change | 1 | |
Fire | 1 |
3 | 6 |
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1 | 3 | 1 | 1 | 1 | 1 | 1 |
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FALL | 2 | |
SPRING | 2 | |
WINTER | 2 |
United States | 3 | |
Russia | 2 | |
Canada | 1 | |
Norway | 1 |