Is Protein a Key to Feeding Ten Billion? – The Rockefeller Foundation

Sheep HerdBy 2050, humanity will have over two billion more people to feed than we do now.

That’s a daunting prospect when we already struggle to feed ourselves without damaging the planet. Agriculture already accounts for about one-quarter of greenhouse gas emissions, 70 percent of freshwater use, and half of vegetated land.

Simply putting more energy, water, and land into production will only push up the financial and environmental costs of food, making survival even harder for the world’s poorest people. To meet this challenge, we’ll need to find ways to get more out of the resources we already use

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