New desalination tech could help quench global thirst

Scientists seek cheaper strategies for producing freshwater

drought in Yemen

QUENCHING SOCIETY'S THIRST  Freshwater is becoming a scarce resource in much of the world, including Yemen, where residents get water from a public tap.

Mohammed Hamoud/getty images

The world is on the verge of a water crisis.

Rainfall shifts caused by climate change plus the escalating water demands of a growing world population threaten society’s ability to meet its mounting needs.