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This thesis explores the opportunities and constraints for the adoption of a post-growth economy as a plausible approach towards sustainability by social movements. With the transdisciplinary perspective of sustainability science, the qualitative study of social movements and post-growth found that Germany does not have a post-growth movement. Nevertheless, the environmental movement and, in particular, Friends of the Earth Germany are suitable candidates of change for post-growth. However, they have not adopted post-growth yet because of certain gaps in bridging concepts of post-growth with their own work. To fill this gap, the study recommends to operationalize post-growth in five steps: (1) to distinguish between "sustainable liberalism" and "fair de-growth" as two major types of post-growth, (2) to re-frame the promises of economic growth as myths, (3) to complement "political choice" as means towards post-growth with "social choice", (4) to identify and compile areas of a post-growth economy, and (5) to overcome
the inherent power dilemma between agents of change and actors of these areas, that are required to be transformed, while forming coalitions between both. If these recommendations are taken into account by academics and activists, the environmental movement is more likely to successfully activate causal mechanisms of change for the transition to a post-growth economy. With its critique on the current comprehension of progress as economic growth, postgrowth is initiating a new, more fruitful phase of the sustainability discourse.
In recent years, policies to promote renewable energy have become increasingly popular among municipalities in different parts of the world. This article examines the case of Germany. It argues that municipalities, compared to other state and private actors, already have the potential to play a key role in German renewable energy governance. Although both private actors and the European Union have gained importance in the past 20 years, German municipalities still play a crucial role and can apply five distinct and important modes of governance in the field of renewable energy policy. In this regard, the notion of a general development towards a "cooperating and ensuring state", which increasingly delegates its tasks and thus becomes less important, cannot be confirmed in the field of municipal renewable energy governance in Germany.
This report analyses the international climate negotiations at the UN climate conference in Doha in December 2012. The report is structured along the three main tracks of the negotiations: the agreement on a second commitment period under the Kyoto Protocol, the closure of the Ad-hoc Working Group on Long-Term Cooperative Action under the Convention, and the start of negotiations on a new comprehensive climate agreement that are to be concluded by 2015.
Assessing the natural resource use and the resource efficiency potential of the Desertec concept
(2013)
Considering global warming, increasing commodity prices, and the dramatic consequences of the over-exploitation and overuse of resources, a transition to a renewable energy supply is necessary. This requires an (resource) efficient and renewable supply of operating reserve. In this article, a possible solution to this problem is analysed: the Desertec concept. It is meant to convert solar energy in areas with high solar irradiation into electrical energy by means of Concentrated Solar Power (CSP) transferring this energy by High Voltage Direct Current (HVDC) lines into the whole European Union Middle East and North Africa (EU-MENA) area. In order to assess the resource efficiency potential of Desertec, three different kinds of CSP plants (parabolic trough, Fresnel collector and central receiver of the building classes Inditep, Novatec and Solar Tres) including heat storage systems (Molten Salt and Phase-Changing-Material) and the necessary HVDC are analysed using the Material Input per Service Unit (MIPS) methodology. The assessment is accomplished for three different locations (Morocco, Tunisia and Egypt) and two points of time (2025 and 2050). With these results, a scenario of electricity supply in Germany in 2050 with a 20% share of solar power import is calculated. Central receivers are the most resource efficient ones: their consumption of abiotic materials is only half of parabolic trough plants and two thirds of Fresnel trough plants. Water and air consumption is the lowest of all analyzed CSP plants as well. The scenario for Germany's fuel mix in 2050 shows that a predominantly renewable fuel mix reduces the consumption of abiotic materials by 75%, of water by 60% and of air by 45%. Only the consumption of biotic materials rises due to the higher share of biomass conversion.
The potential of natural gas as a bridging technology in low-emission road transportation in Germany
(2012)
Greenhouse gas emission reductions are at the centre of national and international efforts to mitigate climate change. In road transportation, many politically incentivised measures focus on increasing the energy efficiency of established technologies, or promoting electric or hybrid vehicles. The abatement potential of the former approach is limited, electric mobility technologies are not yet market-ready. In a case study for Germany, this paper focuses on natural gas powered vehicles as a bridging technology in road transportation. Scenario analyses with a low level of aggregation show that natural gas-based road transportation in Germany can accumulate up to 464 million tonnes of CO2-equivalent emission reductions until 2030 depending on the speed of the diffusion process. If similar policies were adopted EU-wide, the emission reduction potential could reach a maximum of about 2.5 billion tonnes of CO2-equivalent. Efforts to promote natural gas as a bridging technology may therefore contribute to significant emissions reductions.
Ein Stromsystem in Deutschland, das sich zu 100 % aus Sonne und Wind speist, erscheint wie die Vorstellung eines Extrems. Und doch gilt: Darauf hinzulaufen, ist als Entwicklung hierzulande angelegt. Diese Formulierung deutet an, dass wir uns generell in einer sog. pfadabhängigen Entwicklung befinden und überdies aktuell Zeitzeugen einer Gabelungssituation sind. Das wird in Deutschland kaum wahrgenommen. Deshalb wird hier ein Gedankenexperiment geboten, diese Tendenz als Ergebnis eines bestehenden Kräfteparallelogramms darzustellen, das zugleich eine Einschätzung des Energie-Sondergipfels vom 2.11.2012 liefert. Es wird einem Ansatz gefolgt, in dem die Darstellung der Systemveränderung „komparativ statisch“ vorgenommen wird, gemäß der populär formulierten Maxime "Vom Ende her denken" - und das wird verbunden mit der Analyse dynamisch-rückgekoppelter Treiber-Elemente. Für "das Ende", den eingeschwungenen Zustand nach der Systemtransformation, wird das Jahr 2050 gesetzt.
This chapter is an excerpt from a study commissioned by the European Parliament, which examines EU subsidies for agriculture, fisheries, transport, energy and regional development. Based on proven methodologies for the identification and assessment of environmentally harmful subsidies, the study assesses the sustainability level of the sectoral policies and makes recommendations for a reform that would contribute to the alignment of the EU budget towards a more sustainable growth. The following sections provide the main findings of one of the largest fields of expenditure within the EU budget, the structural and cohesion policy.
In the past few decades, geochemically scarce metals have
become increasingly relevant for emerging technologies in
domains such as energy supply and storage, information and
communication, lighting or transportation, which are regarded as
cornerstones in the transition towards a sustainable post-fossil
society. Accordingly, the supply risks of scarce metals and possible
interventions towards their more sustainable use have been
subject to an intense debate in recent studies. In this article, we
integrate proposed intervention options into a generic life cycle
framework, taking into account issues related to knowledge
provision and to the institutional setting. As a result, we obtain
a landscape of intervention fields that will have to be further
specified to more specific intervention profiles for scarce metals
or metals families. The envisioned profiles are expected to have
the potential to reduce action contingency and to contribute to
meeting the sustainability claims often associated with emerging
technol ogies.