`` For about $ 300 we can start saving lives . Zimbabwe Water has developed a machine that creates clean water out of air . Growth of water use has been outpacing the rate of population growth . Sources of clean water pose health challenges in the developing world . Zimbabwe 's water crisis has unleashed a devastating cholera epidemic .
Zimbabwe Water has developed a machine that creates clean water out of air . Growth of water use has been outpacing the rate of population growth . Sources of clean water pose health challenges in the developing world . Zimbabwe 's water crisis has unleashed a devastating cholera epidemic .