Region
United States
305
Alaska
31
Arctic regions
31
California
21
Colorado
21
West (U.S.)
20
India
19
China
18
Tropics
18
Asia
17
El Niño Current
17
Africa
15
Antarctica
11
Bangladesh
11
Developing countries
11
North America
11
Great Lakes (North America)
9
Northeastern States
9
South Asia
9
Washington (State)
9
Florida
8
Mediterranean Region
8
Middle West
8
Pacific Area
8
Colorado River Watershed (Colo.-Mexico)
7
Europe
7
Great Britain
7
Himalaya Mountains Region
7
Kings Canyon National Park
7
Kings Canyon National Park (Calif.)
7
Maine
7
Sequoia National Park
7
Sequoia National Park (Calif.)
7
Southern States
7
La Niña Current
6
Middle East
6
New England
6
Great Plains
5
Greenland
5
Missouri River Watershed
5
North Dakota
5
Oceania
5
Russia (Federation)
5
Southwestern States
5
Australia
4
Canada
4
Earth (Planet)
4
Great Lakes Region (North America)
4
Islands of the Pacific
4
Middle Atlantic States
4
more ...