What’s the path to sustainability? Those of us who try to wrap our wits around where we are and where we need to be uniformly find that this is not a straight-forward question. For instance, would you like to see less consumption of resources? Well, sure, if you’re talking about North Americans. But in the developing world, we’d actually like to see more: greater use of energy, more materials for housing, expanded healthcare facilities, more water purification facilities. What works in place X may be poison for place Y.