2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/147459Natural resource use and waste production, disposal, and reuse in human economies are treated in their economic, technological and thermodynamic aspects. The physical nature of economic production, consumption, saving, and waste is compared and contrasted with non-human ecologies in terms of entropy production and evolutionary complexity.14 pp., FERMILAB-PUB-93/15-TCondensed Mattertext