These land-based algae farms could feed 10 billion humans by 2050

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These land-based algae farms could feed 10 billion humans by 2050
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The naturally 'carbon-eating' microorganisms could mean the farms will be carbon negative too.

"We have an opportunity to grow food that is highly nutritious, fast-growing, and we can do it in environments where we're not competing for other uses," Charles Green, professor emeritus of earth and atmospheric sciences and the paper's lead author, explained at the university's"And because we're growing it in relatively enclosed and controlled facilities, we don't have the same kind of environmental impacts," Green added.

The new study created GIS-based models created by a former Cornell graduate student, Celina Scott-Buechler, that use terrain, yearlyThe model's findings indicate that desert settings and the coasts of the Global South make for the ideal places for onshore algae growing operations. Algae can be generated in a way that uses nutrients more effectively than agriculture does, growing ten times quicker than conventional crops. For instance, roughly half of the nitrogen and phosphorus fertilizer added by farmers to grow terrestrial crops washes off fields and contaminates waterways. On the other hand, excess nutrients can be caught and used again when algae are produced in enclosed facilities.

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