According to leading scientists at the Stockholm International Water Institute, the world’s population may need to switch almost exclusively to a vegetarian diet over the next 40 years to avoid massive food shortages. The proposed diet change has to do with lack of water available to croplands and population growth—the world population will likely reach 9 billion by the year 2050. The scientists pointed out that animal-protein diets require five to 10 times more water than a plant-based diet, as one third of the world’s land is used to grow crops used for animal feed, and 900 million people are currently hungry despite a continuous rise in per capita food production. International relief organization Oxfam, which recently endorsed Meatless Mondays, forecasts that food price spikes will have a devastating affect on countries that are reliant on food imports.
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