Episode description

Earth’s surface may be 70 percent water but many places are struggling to access it. We look at a range of water supply options including delivering it by tanker. In Malta we meet a man trying to solve its water problems, with a clever contraption to recycle sewage.

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Presenter: Marnie Chesterton Produders: Cathy Edwards and Marijke Peters

(Image: Tanker ship. Credit: Getty)