Permaculture
Permaculture stands for Permanent agriculture. Parma culture is a sustainable design system that aims to create a harmonious relationship between humans and natural ecosystem.
Permaculture designers use a variety of techniques to create systems that are self-sufficient and sustainable. These techniques include polyculture crop rotation and closed loop systems.
The concept of permaculture was coined by Bill Mollison and David Holmgren in 1979. There are basically three main ethics of permaculture that is Earth care, people care and fair share. Basic aim is no waste production.
Charles birl's has given 6 main principles-
Nothing in nature last forever.
Natural Cycles perpetuate all life.
Every species has key elements that it depends on to survive.
All life has intrinsic worth.
Extension occurs with very high or very low populations.
Our ability to change Earth always precedes our ability to foresee what the consequences will be.