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user-inactivated · 4100 days ago · link · · parent · post: Want to have a real impact on climate change? Then become a vegetarian
Animals only provide about 3% of the calories needed to raise them, which are in turn usually provided by corn feed. Directly eating the crops is much better, around 30% efficient http://www.imeche.org/docs/default-source/reports/Global_Food_Report.pdf