This report in the US magazine Foreign Policy is an easily readable rebuttal of the claims of the locavores – those who think that rejecting food from outside their locality is somehow good for the environment.
The most eyecatching examples are of the energy efficiency of eating New Zealand lamb and milk products for Europeans. British local lamb uses four times more energy to reach the British table than New Zealand, and milk products two times.
RSS feeds available for 
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Are you guys knowledgeable about cooperatively raising grass fed beef? I'd like to get a program like that going.