Integrated Cycles Of Material Flows
"We had degrees and boatloads of academic credentials amongst us. And we stared at this land and realized that we'd been tricked. That our knowledge was abstract. That none of us could make a piece of the world work. And that was the beginning of the beginning." John Todd

Zero Waste

or google for "Zero Waste Economy"

The "classical" New Alchemy site now defunct. John Todd gives a historic account

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