Unicef says it plans on providing a month's supply of water treatment chemicals for the capital Harare where water supply has been cut off because the government of Robert Mugabe is unable to buy chemicals needed to clean tap water.

CNN: Cholera: 10 killer facts

Few of us are fortunate enough to enjoy clean municipal tap water -- the rest have to make do with clunky bacteria-riddled filters and wasteful bottled H2O.

ENGADGET

Among all of China's 660-odd cities, only one small city of 200, 000, Lianyuan in Hunan Province, can claim to provide clean drinking water straight from the tap.

CNN: Economic miracle, environmental disaster