The cause of desertification when finally understood was something totally unexpected. It is simply the way humans make decisions using one Core Framework. In this all actions are taken, and policies formed, toward an objective. All actions involve using a „tool‟ and the only tools humans use to manage the environment at large are – (i) technology in some form (ii) resting environment or (iii) using fire. And all decisions are based on one or more factors – research results, expert opinion, peer pressure, friend‟s advice, intuition, cost, profitability, compromise, expediency, cultural norms, etc, etc.