Air | 16 | |
Land | 6 | |
Weather | 6 | |
Plants / Kelp | 4 | |
Ocean / Sea | 2 | |
Surface Waters / Wetlands | 2 | |
Atmosphere | 1 | |
Land Mammals | 1 |
Fire | 6 | |
Ice / Snow Change | 3 | |
Seasonal Timing | 2 | |
Unusual Size / Abundance | 1 | |
Earthquake | 1 | |
Extreme Temperature | 1 | |
Permafrost Change | 1 | |
Eruption | 1 |
Human Health | 7 | |
Air Quality | 4 | |
Buildings | 4 | |
Transportation | 3 | |
Safety | 2 | |
Energy | 1 | |
Livestock | 1 | |
Pets | 1 | |
Sanitation | 1 |
5 | 4 | 2 | 2 | 1 | 2 |
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1 | 1 | 1 | 2 | 3 | 2 | 3 | 1 | 2 |
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SUMMER | 8 | |
FALL | 3 | |
SPRING | 3 | |
WINTER | 2 |
Russia | 4 | |
United States | 4 | |
Canada | 1 |