Two things: if you're not familiar with it, you should visit AcresUSA.com

They've been at this longer than most, and not in the woo-woo sense of "don't eat anything with a face", but in real farming practices and science.

Second: What are people FOR? All of the talk about "sustainable" tends to be "how much can we take from the planet and survive at our uselessly entertained existence?" rather than "What are humans doing to help the planet with its own needs?"

"The opposite of consumption is not frugality; it is generosity." -Raj Patel