Mexico City''s ''water factory''

Video: Mexico’s ‘water factory’

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  Mexico faces water crisis as demand spirals  
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Mexico’s capital has been one of the world’s largest and driest cities. Mexico City is also home to more than 20 million people who require clean drinking water, something in short supply.

Al Jazeera’s Franc Contreras reports on a biologist who is helping to manage the water crisis through environmental friendly means.

 
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