Helping water shortage problems on a vegan diet

Albert Einstein "Nothing will benefit human health and increase chances of survival for life on earth as much as the evolution of a vegetarian diet."

Now scientists have agreed with him and warned that food shortages could forced the world to go veg in 2050. Please read the article from this link http://www.guardian.co.uk/global-development/2012/aug/26/food-shortages-world-vegetarianism

Food production has been increasing but yet more people are going hungry.

"The food production in the world is more than enough to feed all its inhabitants properly. Yet, a billion are undernourished, around two billion are overeating, and staggering amounts of food are lost or wasted." - Extract from Stockholm International Water Institute (SIWI).
Water and energy are intricately linked and and conserving one helps conserves the other.

"Throughout the food chain, water and energy inputs are both crucial and interlinked. On one hand, making water of acceptable quality available for food production carries a heavy energy bill. On the other, energy production is associated with significant water consumption."
How do we cut back on water consumption to ensure we have sufficient water and food in the future? The answer: Cut back meat intake to 5% or less.

Researchers compared 3 different diet combinations:
1. Food production in line with current dietary trends(3,000 kcal/p d, 20 per cent animal food)
2. A diet in line with current trends but a reduction of meat consumption (3,000 kcal/p d, 5 per cent animal food)
3. The food intake required assuming that all losses could be avoided

The analysis showed 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.
Now it longer is only our business, or the animals' business. The entire world is at stake. Please go vegan to help this problem.