Rising populations and growing demand is making the world a thirsty planet, says David Molden. In this week’s Green Room, he says the solution lies in people reducing the size of their “water footprints”. “Each of us can make a difference if we first consider the water implications of our lifestyles and the water footprint we are leaving behind”. Today, one-third of the world’s population has to contend with water scarcity, and there are ominous signs that this proportion could quickly increase.

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Source: http://news.bbc.co.uk/