Is this the way to solve our water AND energy needs?

The sea may be the only source of the water needed to sustain a growing global population. But desalinisation processes eat up fossil fuels. However, Garry White has a solution which could kill two birds with one stone.

If you do not drink water for three days you will die but it's not just for staying alive that water is an essential requirement.

It is a vital lubricant for the wheels of any economy. For example, it takes up to 15,000 litres of water to produce just one kilo of beef a single cotton t-shirt also takes 2,000 litres of water to manufacture

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MoneyWeek is written by a team of experienced and award-winning journalists, plus expert columnists. As well as daily digital news and features, MoneyWeek also publishes a weekly magazine, covering investing and personal finance. From share tips, pensions, gold to practical investment tips - we provide a round-up to help you make money and keep it.