Sunny Clean Water

Solution note

Sunny Clean Water

Posted by Paola Constantino

UNDP Guatemala Accelerator Lab

SDG(s)

Sustainable Development Goal(s)

2Zero hunger

6Clean water and sanitation

11Sustainable cities and communities

12Responsible consumption and production

13Climate action

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Solar stills for water purification have been used in the Americas since pre-Columbian times. The technique is simple: water is evaporated using solar energy and the vapour condenses on a surface to collect the clean water.

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