The President of the Washington DC Vegetarian Society, Saurabh Dalal,gave a very interesting presentation to members of the Bangkok International
Vegetarian Alliance on the need to go vegan in order to
prevent the serious damage to the environment that livestock farming causes.
While the focus of global warming is on the recent activity of man I wonder
whether past agricultural practice caused widespread damage that resulted in deserts.
http://www.livescience.com/history/060720_sahara_rains.html
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