Debris / Trash | 4 | |
Unusual Animal Behavior | 1 | |
Erosion | 1 | |
Permafrost Change | 1 | |
Pollution | 1 | |
Sinkhole / Crater | 1 |
2 | 2 |
|
|
2 | 2 |
|
|
SPRING | 2 | |
SUMMER | 2 |