I have a new found interest in research.
1. It is self-sustaining.
2. It improves the environment through working along side it as oppose to taking from it.
3. It uses relationships between different areas to create positive gain and less work.
4. Less Work
5. Less Work
6. Plenty of chores for my family
A good book is:
Permaculture a designers' manual
by Bill Mollison
ISBN #0-908228-01-5