George Mondbiot writes on the Guardian:
The World Bank points out that "the grain required to fill the tank of a sports utility vehicle with ethanol ... could feed one person for a year".
...
I would like to encourage people to start eating tilapia instead of meat. This is a freshwater fish that can be raised entirely on vegetable matter and has the best conversion efficiency - about 1.6kg of feed for 1kg of meat - of any farmed animal.
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