OYA :: Pflanzen reichen aus
USA: Vegane Ernährung könnte 350 Millionen Menschen zusätzlich versorgen - SPIEGEL ONLINE - Wissenschaft
The Economist: Switching to plant-based protein could increase America’s food supply by a third
Landwirtschaft: Äcker könnten vier Milliarden Menschen mehr ernähren - SPIEGEL ONLINE - Wissenschaft
Carrying capacity of U.S. agricultural land: Ten diet scenarios
Global Food Security: Livestock: On our plates or eating at our table? A new analysis of the feed/food debate
The Atlantic: If Everyone Ate Beans Instead of Beef - With one dietary change, the U.S. could almost meet greenhouse-gas emission goals.
The Vactory: Umwandlungseffizienz Tierfutter -> Endprodukt
Journal of Cleaner Production: Assessment of the nutritional quality and environmental impact of two food diets: A Mediterranean and a vegan diet