Comment Re:Mixed Causes (Score 1) 1083
It is both increased demand and shorter supply. In particular, the growing middle class in both India and China are eating more meat.
Also add this to your list "Per-capita consumption of food in US is 5 times higher than in India and approx 4 times than in China". So, putting 20% corn into producing ethanol is tantamount to the total corn consumption of middle class in India. I guess the cause of global rising in food prices is more than clear.