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Spencer_Sleep comments on Scope Insensitivity - Less Wrong

46 Post author: Eliezer_Yudkowsky 14 May 2007 02:53AM

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Comment author: Spencer_Sleep 12 September 2011 01:16:52AM 3 points [-]

Likewise, when you go from growing plants to feed a cow to feed a human to growing plants to feed a human, you >reduce the amount of plants necessary at least tenfold,* which similarly sounds like a tenfold reduction in the animals >killed by farming processes.

This is the main motivation for many vegetarians, from an energy reduction perspective. Ten times (approximately) more plants means ten times (approximately) the energy taken for the same amount of food/energy for the consumer.