Food shortages could force world into vegetarianism, warn scientists

Ecologist: Water scarcity's effect on food production means radical steps will be needed to feed a population expected to reach nine billion by 2050, warns Stockholm International Water Institute Leading water scientists have issued one of the sternest warnings yet about global food supplies, saying that the world's population may have to switch almost completely to a vegetarian diet over the next 40 years to avoid catastrophic shortages. Humans derive about 20% of their protein from animal-based products...

URL: http://www.theecologist.org/News/news_analysis/1566070/food_shortages_could_force_world_into_vegetarianism_warn_scientists.html