Steinbach, Volker; Wellmer, Friedrich-W. - In: Sustainability 2 (2010) 5, pp. 1408-1430
) the geosphere or primary resources, (2) the technosphere or secondary resources, which can be recycled and (3) human … transferred from the geosphere to the technosphere. There will, however, always be a need for contributions from the geosphere to … offset inevitable metal losses in the technosphere. But we do have a choice. We do not need raw materials as such, only the …
