Water scarcity already affects every continent. Around 1.2 billion people, or almost one-fifth of the world's population, live in areas of physical scarcity, and 500 million people are approaching ...

(AP Photo/Sam Mednick) PARIS (AFP) — Water scarcity could affect 3 billion more people than previously expected by midcentury, with increased pollution rendering river sources "unsafe" for humans and ...

Water scarcity (closely related to water stress or water crisis) is the lack of fresh water resources to meet the standard water demand. Two types of water scarcity have been defined: physical or ...