Food Shortages could force world into Vegetarianism

Are you a vegetarian? Do you know anyone who is? Why do people decide to become vegetarian? Is it for religious  or maybe  ethical reasons, or simply for health reasons?

Here is an interesting article from the Guardian newspaper about the problem with food shortages which may lead to more people having to become vegetarian.

http://www.onestopenglish.com/skills/news-lessons/monthly-topical-news-lessons/pdf-content/food-shortages-could-force-world-into-vegetarianism-warn-scientists-intermediate/552369.article

The answers are here, too!