Region
United States
30
Malaysia
4
United States --
3
Asia
2
Asia --
2
Australia
2
China --
2
India --
2
Japan --
2
Malaysia --
2
New York (State) --
2
Seattle
2
Washington (State) --
2
Arid regions --
1
Case Studies
1
Case studies
1
England --
1
Great Britain
1
Ithaca
1
London
1
Netherland
1
Netherland --
1
Netherlands
1
Nigeria --
1
OECD countries
1
Ohio
1
Oklahama --
1
Oklahoma --
1
Oman --
1
Osage County
1
Osage county
1
Pawhuska --
1
Persian Gulf States
1
Persian Gulf States --
1
Rotterdam
1
Saudi Arabia
1
Saudi Arabia --
1
Selangor
1
Selangor (Malaysia)
1
Selangor --
1
Singapore
1
South Asia
1
Southeast Asia
1
Southeast Asia --
1
Sri Lanka
1
Swaziland --
1
Tonga --
1
U.S.
1
United States, National Aeronautics and Space Administration --
1
United States. Federal Bureau of Investigation --
1
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