> The idea of circular flow for materials and energy is not new, appearing as early as 1966 in the book by Kenneth E. Boulding, who explains that we should be i

> The idea of circular flow for materials and energy is not new, appearing as early as 1966 in the book by Kenneth E. Boulding, who explains that we should be in a "cyclical" system of production. For its part, the term "circular economy" appeared for the first time in 1988 in "The Economics of Natural Resources". ~ https://en.wikipedia.org/wiki/Circular_economy#History_and_aims https://en.wikipedia.org/wiki/Circular_economy#History_and_a...