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Seawater Greenhouses Produce Tomatoes in the Desert
According to the World Health Organization, about 20 percent of the world’s people live in regions that don’t have enough water for their needs. With the global population increasing by 80 million each year, a third of the planet will likely face water shortages by 2025. This looming water crisis is inextricably linked to food production because agriculture accounts for 70 percent of all fresh water used, and obtaining irrigation water in arid regions has serious environmental impacts. Drilling wells can deplete groundwater, and desalination is energy-intensive and leaves behind concentrated brine. The Seawater Greenhouse , however, provides what may be an economical and sustainable way of producing fresh water and crops in hot, dry regions near the ocean.
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