Vertical farming saves water, land, and energy — and it could be how we grow food on Mars.

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Vertical farming is a type of indoor farming where crops are grown in stacked layers, rather than spread out across large plots of land. These farms offer many benefits over traditional ones, including the prospect of better access to healthy foods in underserved communities.

Because vertical farms use LED lighting, their output isn’t subject to the natural elements that typically affect plant production such as adverse weather, insects, and seasons.

They’re better for the environment because they require less energy and put out less pollution, without a need for heavy machinery, pesticides, or fertilizers. Additionally, soil-less farming methods like aeroponics require just 10% of the amount of water consumed by outdoor farms.

Adopting these sustainable farming practices could lead to a monumental shift in how we produce food on Earth, and enable us to create a reliable food source beyond our planet.