Stockholm International Water Institute: Feeding a Thirsty World

(Utgiven år 2012)

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På 40 års sikt kan nästan alla behöva bli vegetarianer om en katastrofal global livsmedelsbrist och matkris ska förhindras. Jordens befolkning får cirka 20 procent av sitt protein från animaliska produkter men det kan behöva falla till 5 procent fram till 2050, då befolkningen förutspås ha ökat med 2 miljarder.

“The analysis showed that there will not be enough water available on current croplands to produce food for the expected population in 2050 if we follow current trends and changes towards diets common in Western nations (3,000 kcal produced per capita, including 20 per cent of calories produced coming from animal proteins). There will, however, be just enough water, if the proportion of animal based foods is limited to 5 per cent of total calories and considerable regional water deficits can be met by a well organised and reliable system of food trade.” (sidan 14)

 

Feeding a Thirsty World