Smart Water: Tech guarding our most precious resource

Ever since Archimedes invented his screw for drawing water uphill and the Romans built their famous aqueducts, mankind has tried to manipulate the earth's most precious resource through the use of technology. Many have dreamed about making the deserts bloom.

Now, with the global population topping seven billion and demand for water set to increase to unprecedented levels, new technologies are helping us make smarter use of this finite essential for life.

According to theOECD Environmental Outlook to 2050, global water demand is projected to increase by 55% between 2000 and 2050, by which time more than 40% of the global population may be under severe water stress.

Put starkly: when there is not enough water to go around, famine, war and death are never far behind. But according to the World Bank we lose about 50 billion cubic metres of water a year through leaks and bursts alone.

Read more : http://www.bbc.co.uk/news/business-23457166