Under the Sea-Water Greenhouses

Saltwater is converted into freshwater in these greenhouses that provide a mermaid-approved alternative to desalination. The plants grow faster and yield more, and the areas surrounding the greenhouses benefit from the extra moisture in the air. Currently found in such areas as Tenerife, Qatar, Abu Dhabi, Oman, and Australia, the greenhouses use an evaporator and “prevailing winds” to distribute humid, freshwater air to plants for absorption.

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