“Problems cannot be solved with the same mind set that created them.”

― Albert Einstein

There are more natural ways to achieve the same results. Perennial Polycultures use natural flora & fauna in a closed loop ecosystem. They also have higher overall yields than monocultures.

These solutions are available to us right now. In fact there's a growing movement of farmers who are utilizing & learning more about Perrenial Polycultures.

Here is some literature:

http://www.amazon.com/The-One-Straw-Revolution-Introduction-...

http://www.edibleforestgardens.com/about_book

http://www.afforestt.com/index.html

Here are some farms that I'm familiar with (either I know the farmers or they are well known):

http://www.newforestfarm.net/

http://www.polyfacefarms.com/

http://www.fieldswithoutfences.org/

http://www.thevitalfarm.com/