” Can we move nations and people in the direction of sustainability?

Such a move would be a modification of society comparable in scale to only two other changes : the Agricultural Revolution of the late Neolithic, and the Industrial Revolution of the past two centuries. Those revolutions were gradual, spontaneous, and largely unconscious. This one will have to be a fully concious operation, guided by the best foresight that science can provide… If we actually do it, the undertaking will be absolutely unique in humanity’s stay on the Earth.”

William D. Ruckelshaus, 1989