Water crisis: What's the best solution? | The Question

Cape Town isn't the only city facing a water crisis - in fact many around the world have been trying to find ways to conserve the invaluable resource; that led CBC News to ask: Is there a best solution to solving a water crisis? And if not, who's doing it best?
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The National is CBC Television's flagship news program. Airing six days a week, the show delivers news, feature documentaries and analysis from some of Canada's leading journalists.