As approximate analog of such organization of exchange processes of substance and energy natural biogeocenoses and the biosphere in general can serve. As in biogeocenoses the variety of types of organisms causes possibility of the closed cycle in the movement of substance and energy, and the variety of its serves in a social production as the important prerequisite of ensuring isolation of of technological processes.
Public of a modern civilization are not able to provide realization of necessary technological revolution in that and in that orientation what are required for transition to ecotechnology so far. Let's note two reasons of it. The ecotechnology assumes: