Beef's environmental costs far outweigh poultry, pork
Published on Jul 22, 2014 6:17 AM
WASHINGTON (AFP) - Beef is by far the most costly protein when it comes to the environmental damage wreaked by feeding and raising cattle, according to a study out on Monday.
Beef requires 28 times more land than the average total needed to produce either dairy, eggs, poultry or pork, said the research in the Proceedings of the National Academy of Sciences.
Raising beef also requires 11 times more irrigation water than other proteins, according to researchers at Bard College in New York, Yale University in Connecticut and the Weizmann Institute of Science in Rehovot, Israel.
Beef spews far more pollution into the environment, producing five times as many greenhouse gas emissions and six times the reactive nitrogen from fertiliser compared to the other proteins, the study found.
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