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In a globalized economy, the use of natural resources is determined by the demand of modern production and consumption systems, and by infrastructure development. Sustainable natural resource use will require good governance and management based on sound scientific information, data and indicators. There is a rich literature on natural resource management, yet the national and global scale and macro-economic policy making has been underrepresented. We provide an overview of the scholarly literature on multi-scale governance of natural resources, focusing on the information required by relevant actors from local to global scale. Global natural resource use is largely determined by national, regional, and local policies. We observe that in recent decades, the development of public policies of natural resource use has been fostered by an "inspiration cycle" between the research, policy and statistics community, fostering social learning. Effective natural resource policies require adequate monitoring tools, in particular indicators for the use of materials, energy, land, and water as well as waste and GHG emissions of national economies. We summarize the state-of-the-art of the application of accounting methods and data sources for national material flow accounts and indicators, including territorial and product-life-cycle based approaches. We show how accounts on natural resource use can inform the Sustainable Development Goals (SDGs) and argue that information on natural resource use, and in particular footprint indicators, will be indispensable for a consistent implementation of the SDGs. We recognize that improving the knowledge base for global natural resource use will require further institutional development including at national and international levels, for which we outline options.
The amount of land directly disturbed by mining is a key generic environmental pressure indicator. A novel method based on the measurement of the cumulative net area disturbances using Landsat satellite images and its correlation with the cumulative ore production at the mine site was applied. Weighted disturbance rates (WDRs) were calculated indicating the annual quantity of hectares newly disturbed per million metric tons of ore extracted. Results show that open pit (OP) have a smaller average WDR (5.05 ha/Mt) than underground (UG) mines (11.85 ha/Mt). This is explained by the relation between the annual amounts of new net area disturbed and of ore extracted which is larger for UG than for OP mines due to the annual extraction volume (lower for UG). Overall findings demonstrate that bauxite mining has the highest WDR (7.98 ha/Mt), followed by gold (6.70 ha/Mt), silver (5.53 ha/Mt), copper (4.5 ha/Mt) and iron (4.25 ha/Mt).
Das Projekt "Ressourcenpolitik" (PolRess) begleitete die Debatte um die anspruchsvolle Ressourcenpolitik, zu der sich Deutschland verpflichtet hat, aus politikwissenschaftlicher, juristischer und ökonomischer Perspektive und setzte dabei auch selbst Impulse.
Der Abschlussbericht fasst Überlegungen des Projektteams für die Weiterentwicklung der Ressourcenpolitik zusammen. Darin heißt es unter anderem, dass das in der Nachhaltigkeitsstrategie erfasste Ziel der Bundesregierung, die Rohstoffproduktivität bis zum Jahr 2020 gegenüber 1994 zu verdoppeln, wohl nicht ohne drastische Maßnahmen (wie einem Ausstieg aus der Braunkohle) erreicht werden kann. Da das hiesige und derzeitige Niveau der Materialnutzung weder global verallgemeinerbar noch langfristig tragfähig ist, müsste die abiotische Materialnutzung Deutschlands (einschließlich der ungenutzten Entnahmen) um bis zu 80 Prozent bis 2050 reduziert werden.
Many countries have started to develop policy programs for the sustainable use of natural resources. Indicators and targets can cover both a territorial and a life-cycle-wide global perspective. This article focuses on how a safe operating space for global material resource use can be outlined based on existing economy-wide material flow indicators. It reflects on issues such as scale and systems perspective, as the choice of indicators determines the target "valves" of the socio-industrial metabolism. It considers environmental pressures and social aspects of safe and fair resource use. Existing proposals for resource consumption targets are reviewed, partially revisited, and taken as a basis to outline potential target values for a safe operating space for the extraction and use of minerals and biomass by final consumption. A potential sustainability corridor is derived with the Total Material Consumption of abiotic resources ranging from 6 to 12 t/person, the Total Material Consumption of biotic resources not exceeding 2 t/person, and the Raw Material Consumption of used biotic and abiotic materials ranging from 3 to 6 t/person until 2050. For policy, a "10-2-5 target triplet" can provide orientation, when the three indicators are assigned values of 10, 2, and 5 t/person, respectively.
Im Auftrag des Bundesforschungsministeriums hat das Wuppertal Institut eine Studie zur systemischen Betrachtung und Modellierung der Bioökonomie erstellt. Sie zeigt Wege auf, die komplexen sozio-ökonomischen Zusammenhänge und Umweltauswirkungen der Bioökonomie zu erfassen und soll als Grundlage für den Aufbau eines kontinuierlichen Monitorings dienen. Die Autor(inn)en erfassten Indikatoren und Modellierungsmethoden mit Bezug zur Bioökonomie und weisen auf bestehende Lücken hin: Diese finden sich vor allem bei der Erfassung neuer technologiegetriebener Sektoren, der systemischen Betrachtung eines nachhaltigen Konsums und bei der Modellierung der Zusammenhänge zwischen Innovationen, Wirtschaftswachstum und Ressourcenverbrauch (insbesondere die Landnutzung).
Zur Umsetzung eines systemischen Monitorings empfiehlt die Studie das folgende Vorgehen: Unter Zuhilfenahme des DPSIR-Konzeptes (Analyse von Wirkungsbeziehungen nach Driving forces, Pressures, States, Impacts und Responses) sollten Schlüsselindikatoren und Nachhaltigkeitsziele in einem Indikatoren-"Dashboard" zusammengeführt werden. Benötigt wird zudem ein Werkzeugkasten von Methoden, der vor allem integrierte Analyse- und Bewertungsmodelle sowie ein systemisch konzipiertes Metamodell umfasst.
The CO2 utilisation is discussed as one of the future low-carbon technologies in order to accomplish a full decarbonisation in the energy intensive industry. CO2 is separated from the flue gas stream of power plants or industrial plants and is prepared for further processing as raw material. CO2 containing gas streams from industrial processes exhibit a higher concentration of CO2 than flue gases from power plants; consequentially, industrial CO2 sources are used as raw material for the chemical industry and for the synthesis of fuel on the output side. Additionally, fossil resources can be replaced by substitutes of reused CO2 on the input side. If set up in a right way, this step into a CO2-based circular flow economy could make a contribution to the decarbonisation of the industrial sector and according to the adjusted potential, even rudimentarily to the energy sector.
In this study, the authors analyse potential CO2 sources, the potential demand and the range of applications of CO2. In the last chapter of the final report, they give recommendations for research, development, politics and economics for an appropriate future designing of CO2 utilisation options based upon their previous analysis.