Land | 57 | |
Weather | 44 | |
Surface Waters / Wetlands | 28 | |
Ocean / Sea | 23 | |
Air | 22 | |
Plants / Kelp | 21 | |
Fish | 6 | |
Insects | 3 | |
Atmosphere | 1 | |
Birds | 1 | |
Amphibians | 1 | |
Land Mammals | 1 | |
Microbes | 1 | |
Reptiles | 1 |
Buildings | 90 | |
Human Health | 41 | |
Transportation | 25 | |
Sanitation | 21 | |
Energy | 13 | |
Agriculture | 11 | |
Livestock | 4 | |
Pets | 2 | |
Displacement | 1 | |
Forestry | 1 | |
Safety | 1 |
1 | 1 | 1 | 4 | 15 | 5 | 9 | 21 | 8 | 8 | 8 | 9 |
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SUMMER | 35 | |
FALL | 24 | |
SPRING | 20 | |
WINTER | 11 |
United States | 39 | |
Canada | 15 | |
Russia | 3 | |
Greenland | 2 | |
Svalbard and Jan Mayen | 2 | |
Antigua and Barbuda | 1 | |
Dominican Republic | 1 | |
Fiji | 1 | |
India | 1 | |
Indonesia | 1 | |
Puerto Rico | 1 | |
United Kingdom | 1 |