[if the automobile is replaced by public trans port] the social structure of cities will revert to the ecological pattern of 1880. - Kenneth E. Boulding

It is much more accurate to identify the factors of production as know-how (that is genetic information structure), energy, and materials, for, as we have seen, all processes of production involve the direction of energy by some know-how structure toward the selection, transportation, and transformation of materials into the product

:(vi) … the "animal" level, characterized by increased mobility, teleological behavior and self-awareness...

Another indication of the magnitude of the present transition is the fact that, as far as many statistical series related to activities of mankind are concerned, the date that divides human history into two equal parts is well within living memory.