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- Stoffströme und Ressourcenmanagement (22) (remove)
Urban mining
(2008)
Das rote Gold recyceln
(2008)
World primary copper production is expected to increase due to growing demand. Reflecting the geographical divergence of copper deposits and demanding industries, copper is produced by various production paths, differing in regional and technological aspects and related environmental pressures. For the mitigation of environmental pressures related to global material flows and a more sustainable resource management, policy makers, producers and buyers require information on regional resource efficiencies and effects of the key processes within the global production chain. This study quantifies material flows of refined copper production and environmental pressures along the pyro‐ and hydrometallurgical paths for Chile and Germany. Inventories for involved unit processes are distinguished by region and most commonly applied technologies, including electric power supply. Different production paths are compared by environmental pressure indicators (primary energy requirements, total material requirements, water consumption, GHG emissions, solid waste disposal, sulphur dioxide and arsenic emissions). Alternative options for improvement of technologies and supply patterns in Chile and Germany are compared.
The policy framework for the promotion of hydrogen and fuel cells in Europe : a critical assessment
(2008)
In this article, we analyze flows of the platinum group metals (PGMs) platinum, palladium, and rhodium and the environmental impacts associated with their supply in Europe. A model of the use of PGMs in Europe has been developed, and this is combined with a model of environmental pressures related to PGM production. Seven industrial sectors and product groups form the main users of PGMs in Europe, comprising the chemical, petroleum, and glass industries; jewelry, dentistry, electronic equipment, and car catalysts. Most relevant environmental impacts of secondary production in Europe and primary PGM production in South Africa, Russia, and Canada are taken into account, including emissions of sulphur dioxide and carbon dioxide and total material requirement. The article quantifies the PGM flows to, from, and within Europe in 2004. The automotive industry is the single largest user of primary PGMs, and catalytic converters represent the major PGM end use. The chemical and glass industries also require large amounts of PGM but rely mostly on secondary metals. The environmental impacts of primary production exceed those of secondary production by far. An analysis of the use of car catalytic converters shows that as a result of efforts to reduce air pollutant emissions in Europe, other negative environmental impacts, such as point-source pollution and mining waste, are occurring elsewhere - for example, at extraction and refining sites in Siberia and South Africa.
This article introduces elements of a global governance regime for sustainable resource management. It argues that such an approach is needed to combat the negative impacts arising from resource extraction and use as well as to overcome the co‐ordination problems of decentralized action. A first section summarizes main conflicts arising from limited access to natural resources and security of supply, environmental impacts and the performance of resource‐rich developing countries. A second section analyses existing initiatives for sustainable resource management such as resource funds, efforts to increase transparency, programmes in development co‐operation, standards and certification, material efficiency and resource productivity as well as efforts to limit the consumption of natural resources. Though these initiative have their merits, the article concludes that more systematic institutional mechanisms are needed. The third section introduces those institutional mechanisms: it describes the International Panel for Sustainable Resource Management (launched in November 2007), outlines elements of an international convention on sustainable resource management, develops the agenda for an international agency on the issue and discusses the interaction with existing international bodies such as the World Trade Organization. Written as a policy paper, the paper formulates proposals for various actors, from small‐scale miners to large‐scale global companies and governments. Its intention is to stimulate the debate and to broaden the horizon on the global dimension of using minerals.
The Wuppertal Institute for Climate, Environment and Energy and the UNEP/Wuppertal Institute Collaborating Centre on Sustainable Consumption and Production (CSCP) set out to analyse Japanese dematerialisation and resource efficiency strategies within the 3R scope and searched for options of enhancing resource effi ciency strategies, commissioned by the German Federal Environment Agency. A further task of the project was to initiate a policy dialogue including stakeholders, academia, politics and Japanese and European environmental experts. The following paper summarises findings from the analyses, the results of the policy dialogues (Experts Workshop, 6 June 2007 and International Conference, 6 November 2007) and draws conclusions for a potential Japanese-European cooperation on the resource efficiency issue.