MemoryStone

Freshwater Crisis: Current Situation: Scientific American
Water supplies today — Much of the Americas and northern Eurasia enjoy abundant water supplies. But several regions are beset by greater or lesser degrees of “physical” scarcity—whereby demand exceeds local availability. Other areas, among them Central Africa, parts of the Indian subcontinent and Southeast Asia, contend with “economic” water scarcity, where lack of technical training, bad governments or weak finances limit access even though sufficient supplies are available.