Water supplies threatened by population.
D003226:Congresses as Topic; D003247:Conservation of Natural Resources; D003710:Demography; D004777:Environment; D005843:Geography; D011153:Population; D011157:Population Dynamics; D014505:Urban Population; D014507:Urbanization; D014881:Water Supply
Carrying Capacity; Conferences And Congresses; Environment; Geographic Factors; Natural Resources; Population; Population Pressure; Spatial Distribution; Urban Spatial Distribution; Urbanization; Water Supply; World