A Plague of People?
Alien Ecologists What would alien visitors studying Earth's ecology for the first time conclude? Let's stop thinking about ourselves as something special for a while and instead, think of ourselves as just another species of mammal . Where do we fit in Earth's ecological system? Where did we fit? Before we discovered how to make tools, we probably sat somewhere in the lower-mid part of the predator hierarchy. Technology changed that. Once we developed clubs, spears and arrows we moved up the predator ladder. Weapons and co-operative hunting techniques enabled us to kill animals much larger and more dangerous than our unarmed selves. It is no coincidence that, wherever we went, the giant mammals that once ruled the land died out. Technology continued to advance to the point where, today, we are the apex predator, all across the globe. The Agriculture Problem The beginnings of agriculture seems to be the domestication of pigs in Mesopotamia around 11,000BC. Prior to that, ...