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Hoping to support sustainability, countries have established policies to foster the bioeconomy (BE), based on the use of biomass and knowledge on biological principles. However, appropriate monitoring is still lacking. We estimate global key environmental footprints (FPs) of the German BE in a historic analysis from 2000–2015 and in projection until 2030. Overall, the agricultural biomass FP is dominated by animal-based food consumption, which is slightly decreasing. The forestry biomass FP of consumption could potentially shift from net import to total supply from domestic territory. Agricultural land use for consumption is triple that of domestic agricultural land (which covers half of Germany) and induced substantial land use change in other regions from 2000–2015. The FP of irrigation water withdrawals has decreased over 2000–2015 and might continue to decline in absolute terms by 2030, but the share of supply regions with water stress might increase. The climate FP of BE contributes 18–20% to the total climate FP of domestic consumption, while employment makes up 10% and value added only 8% of the total German economy. These findings imply that sufficient monitoring of the BE needs to consider both production and consumption perspectives, as well as global FPs of national economies.
German bioeconomy 01.06.2021 Publikationen Energie & Klimaschutz Bücher

What are regulatory experiments and how can they contribute to sustainability transformations? We seek to answer these questions by considering regulatory experiments in the energy sector and exploring their potential impact pathways. Different kinds of regulatory experiments can be combined with real-world labs to expand their scope and their impacts to the regulatory realm. Regulatory experiments (RegExs) can be considered an element of mission-oriented innovation policies. As such, we discuss how they relate to real-world labs (RwLs) and how they can contribute to sustainability transformations. We distinguish between two types of experiments: 1. regulatory sandboxes that help innovators to bring new products, services, and other innovations to market, and 2. regulatory-innovation experiments that are specifically designed to explore new solutions for evolving regulatory frameworks. The two types can be linked to RwLs such that an RwL can be embedded in a regulatory sandbox, enabling the RwL to try out so
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Reducing power consumption is a vital building block for transforming the energy system. In the contribution, we will present insights from an ongoing research project “Power efficiency classes for households” studying how power consumption in households can be sustainably reduced and stabilized over the long term. The approach uses the concept of efficiency classes to provide a comparative feedback on households’ total power consumption. The power efficiency classes of households are developed as an indicator for households to more easily estimate their total power consumption and better implement specific goals for saving power. The efficiency classes range from 1-7 – like the power label of the European Union –, with 1 being the best possible class, i.e. the lowest power consumption. On this basis the power efficiency label pools the total power consumption of a household and assigns it a consumption class. A labelling process for particularly frugal households or households achieving a significant reduction in power use that is harmonized with this procedure makes things simple and transparent and thus increases the motivation to attain a better power efficiency class. An energy audit and corresponding power saving packages help households identify saving potentials in order to improve their power efficiency class. This approach is implemented in 100 selected households in cooperation with power companies and manufacturers of appliances in a field test. The aim of this test is to evaluate the households’ sensitization for their own power consumption and the suitability of the various power saving packages. In the contribution, we will present the power efficiency classes for households and report results from the field test in the participating households. Against this background, we will discuss some implications for implementing and scaling-up sustainable consumption and production (SCP) practices in relation to sustainable energy use, to improve efficiency on a household level and to raise awareness for rebound effects.
Energiewende und Klimapolitik Publikationen Produkte & Stoffströme Bücher

The Paris Agreement establishes provisions for using international carbon market mechanisms to achieve nationally determined contribution (NDCs). In international negotiations on the rules governing the Agreement, an important question is whether and under which conditions mitigation outcomes that are not covered by the scope of NDCs should be eligible for international transfer and use by another country to achieve its NDC. Allowing the transfer and use of outside-scope mitigation could facilitate the identification of mitigation potential and reduce the costs of achieving NDCs. It could, however, also provide disincentives for countries to enhance the scope of their NDCs, be perceived as unfair towards countries with similar circumstances and economy-wide targets, reduce countries’ incentives to ensure the quality of carbon market units generated, and lead to double counting. To address these concerns, international rules could: require transferring countries to account for such transfers by applying ‘corresponding adjustments’ even though the emission reductions occur outside the scope of NDCs, or to bring relevant sectors and greenhouse gases into the scope of their next NDCs; adopt safeguards for unit quality, e.g. through international oversight or strict additionality tests; impose other restrictions; and/or require countries to quantify and specify the scope of their NDC in terms of sectors and greenhouses gases covered. To cite this article: Lambert Schneider, Stephanie La Hoz Theuer, Andrew Howard, Kelley Kizzier & Martin Cames (2019) Outside in? Using international carbon markets for mitigation not covered by nationally determined contributions (NDCs) under the Paris Agreement, Climate Policy, DOI: 10.1080/14693062.2019.1674628
contributions (NDCs) under the Paris Agreement 11.10.2019 Energie & Klimaschutz Bücher

Energy efficiency is one of the fastest and most cost-effective contributions to a sustainable, secure and affordable energy system. Furthermore, the so-called “non-energy benefits”, “co-benefits” or “multiple benefits” of energy efficiency are receiving increased interest from policy makers and the scientific community. Among the various non-energy benefits of energy efficiency initiatives, the macroeconomic benefits play an important role. Our study presents a detailed analysis of the long-term macroeconomic effects of German energy efficiency policy including the industry and service sectors as well as residential energy demand. We quantify the macroeconomic effects of an ambitious energy efficiency scenario by combining bottom-up models with an extended dynamic input-output model. We study sectoral shifts within the economy regarding value added and employment compared to the baseline scenario. We provide an in-depth analysis of the effects of energy efficiency policy on consumers, individual industry sectors, and the economy as a whole. We find significant positive macroeconomic effects resulting from energy efficiency initiatives, with growth effects for both GDP and employment ranging between 0.88% and 3.38%. Differences in sectoral gains lead to a shift in the economy. Our methodological approach provides a comprehensive framework for analyzing the macroeconomic benefits of energy efficiency.
non-equilibrium macroeconomic model 01.04.2017 Energie & Klimaschutz Bücher

To reduce Germany’s total GHG emissions by 95 % by 2050, the building sector must be completely decarbonised. Due to the inertia of the sector, it is necessary to significantly accelerate the renovation of buildings and the transformation towards climate-neutral heat supply technologies. Our analysis identifies which measures need to be implemented by which date at the latest, to achieve the long-term target of full decarbonisation. Based on this we develop a consistent set of policy instruments that would enable the building stock becoming climate neutral in 2050. For both, measures and policies, a roadmap for the heat transition in Germany is developed with short- (2020-2025), medium- (2025-2035) and long-term (2035-2050) guidelines and recommendations. The roadmap of measures is based on an analysis of potential risks and how they could be compensated. Potential risks include for example failing to achieve the refurbishment rates and renovation standards required to realize climate neutrality; or failing to get renewable heat quickly enough into the heating market. Options to offset resulting gaps include an additional use of domestic renewable energy, increased efficiency efforts or the import of renewable energy. The roadmap is divided into four blocks addressing the overall regulatory framework, demand reduction in buildings, heat supply technologies and district heating. The roadmap of measures is “translated” into a roadmap of policy instruments. The policy roadmap includes regulatory approaches, support programs as well as informative instruments. The policy roadmap is designed to provide sufficient incentives for target achievement while avoiding lock-in effects that would undermine meeting the long-term goal.
neutral building stock 11.10.2021 Publikationen Energie & Klimaschutz Bücher

Meeting energy and climate targets requires phasing out the use of fossil fuels in the heating sector, demanding an extensive overhaul of infrastructure. The expansion of district heating and electricity distribution grids will be essential for this transition, while parts of the gas distribution network will become redundant. Regional and municipal heating plans, mandated by the EED and the decarbonised gas and hydrogen market package, require planning that should involve identifying areas where gas distribution networks will be decommissioned or dismantled in the future. The process will be accelerated by phasing out or introducing efficiency regulations for heating installations. How should the efficient and orderly transformation of the gas network be accomplished? To this end, we compare the status-quo as well as recent the developments of gas grid infrastructures across four European countries, namely Austria, Germany, the Netherlands, and the UK. Additionally, we analyse the current regulations for ga
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Environmental aspects are more and more relevant for raw material policy-making and responsible sourcing strategies. This trend is partly based on growing public awareness of problems and impacts associated with extraction and processing of ores and minerals. Disaster events such as the tailing dam failures in Kolontár (Hungary, October 2010) and Bento Rodriguez (Brazil, November 2015) quite frequently highlight the fact that many mining and processing practices are associated with substantial environmental impacts and risks for the local and even regional environments. However, there is also increasing recognition that the rather devastating environmental performance of many past and current mining projects is a major reason for communities around the world to oppose both the development of new and the expansion of existing mines. Although mining companies constantly have to increase their efforts to secure the social license to operate, many scholars already point out that both environmental impacts and associated social and political reactions are emerging as a decisive factor determining current and future raw material supply. In light of these concerns, raw material policy-making requires solid information on environmental hot spots in mining, as well as on raw materials of particular concern. Whereas indicators and information systems are already well developed for geological, technical, structural, political, regulatory, and economic supply risks, there is currently no holistic method and information system for environmental concerns associated with the mining of raw materials. Although life cycle assessment can provide methodological support for various environmental aspects, it has substantial weaknesses in the fields of ecosystem degradation, impacts on fresh- and groundwater resources, and hazard potentials from episodic disaster events. This paper presents a methodology that aims to fill this gap. Our proposed method provides a system of 11 indicators allowing the identification of raw material-specific environmental hot spots and rankings of raw materials. Although the indicator system is qualitative in nature, its composition and aggregation cover the most relevant environmental concerns arising from mining and allow prioritizing of raw materials from a global environmental perspective.
potentials of minerals and metals from mining 13.08.2018 Bereichsübergreifend Bücher

On the pathway to climate neutrality, EU member states are obliged to submit national energy and climate plans (NECPs) with planned policies and measures for decarbonization until 2030 and long-term strategies (LTSs) for further decarbonization until 2050. We analysed the 27 NECPs and 15 LTSs submitted by October 2020 using an inter-rater method. This paper focuses on energy sufficiency policies and measures in the transport sector. We found a total of 236 sufficiency policy measures with more than half of them (53 %) in the transport / mobility sector. Additionally, we found 41 measures that address two or more sectors (cross-sectoral measures). From the explicit sufficiency measures within the transport sector, 82 % aim at modal shift. A reduction of transport volumes is much less addressed. Countries plan to use mainly fiscal and economic instruments. Those are in many cases investments in infrastructure of low-carbon transport modes and taxation instruments. Plans on decarbonisation measures are also frequently mentioned. The majority of cross-sectoral measures are carbon taxes or tax reforms, also economic instruments. On the one hand it is encouraging that Member States strongly emphasize the transport sector in their NECPs and LTSs – at least quantitatively and concerning sufficiency measures – because this sector has been the worst-performing in climate mitigation so far. On the other hand, the measures described seem not sufficient to reach ambitious climate targets, and we doubt that the presented set of policy instruments will get the transport sector on track to mitigate greenhouse gas emissions in the necessary extent.
long-term strategies 11.10.2021 Publikationen Energie & Klimaschutz Bücher

Heterogeneous data, different definitions and incompatible models are a huge problem in many domains, with no exception for the field of energy systems analysis. Hence, it is hard to re-use results, compare model results or couple models at all. Ontologies provide a precisely defined vocabulary to build a common and shared conceptualisation of the energy domain. Here, we present the Open Energy Ontology (OEO) developed for the domain of energy systems analysis. Using the OEO provides several benefits for the community. First, it enables consistent annotation of large amounts of data from various research projects. One example is the Open Energy Platform (OEP). Adding such annotations makes data semantically searchable, exchangeable, re-usable and interoperable. Second, computational model coupling becomes much easier. The advantages of using an ontology such as the OEO are demonstrated with three use cases: data representation, data annotation and interface homogenisation. We also describe how the ontology can be used for linked open data (LOD). Published in: Energy and AI, 2021, 100074, ISSN 2666-5468
Systems Analysis 27.04.2021 Publikationen Energie & Klimaschutz Bücher