Meat

Rethinking the Meat Guzzler, NYTimes 1/27/08

This is just such a good article, I can't say anything more about it.

Another issue, aside from the using-land-inefficiently-to-grow-corn/soy-for-livestock (and not for people) issue, is the one where land is now being used to harvest oils for biofuel, once again, displacing people's needs and forcing the price of cooking oil into the unaffordable for many.
Here, and especially here.