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Ernährung ist einer der wichtigen Bereiche für die große Transformation. Doch wie kann eine Umstellung auf ein nachhaltiges Ernährungssystem gelingen? Der vorliegende Zukunftsimpuls setzt sich mit dieser Frage auseinander - basierend auf über zehn Jahren Forschung zu nachhaltiger Ernährung am Wuppertal Institut. Einen Schwerpunkt setzt das Papier auf die Außer-Haus-Gastronomie, denn bereits kleine Umstellungen - etwa in der Zutatenauswahl - haben hier große Wirkung. Mit geeigneten Rahmenbedingungen kann die Außer-Haus-Gastronomie den Konsumierenden als leicht zugänglicher Erlebnisort für nachhaltigere Ernährung dienen und gleichzeitig Landwirtinnen und Landwirten ein zuverlässiger Abnehmer für biodiversitätsschonende und klimafreundliche Lebensmittel sein. Doch für eine Transformation des Ernährungssystems sind auch andere Akteure gefragt: Der Zukunftsimpuls adressiert Politik, (Land-)Wirtschaft, Wissenschaft und jeden und jede Einzelne - denn die Transformation des Ernährungssystems ist eine gesamtgesellschaftliche Aufgabe.
Cross-country evidence on the adoption of energy-efficient retrofit measures (EERMs) in residential buildings is critical to supporting the development of national and pan-European policies aimed at fostering the energy performance upgrade of the building stock. In this light, the aim of this paper is to advance in the understanding of the probability of certain EERMs taking place in eight EU countries, according to a set of parameters, such as building typology, project types, and motivation behind the project. Using these parameters collected via a multi-country online survey, a set of discrete-choice (conditional logit) models are estimated on the probability of selecting a choice of any combination of 33 EERMs across the sampled countries. Results show that actions related to the building envelope are the most often-addressed across countries and single building elements or technology measures have a higher probability of being implemented. The modelling framework developed in this study contributes to the scientific community in three ways: (1) establishing an empirical relationship among EERMs and project (i.e., retrofit and deep retrofit), (2) identifying commonalities and differences across the selected countries, and (3) quantifying the probabilities and market shares of various EERMs.
Transformative Innovationen : die Suche nach den wichtigsten Hebeln der Großen Transformation
(2021)
Der hier vorliegende Zukunftsimpuls soll den Grundgedanken der Transformativen Innovationen und ihre Notwendigkeit beschreiben sowie erste Kandidaten für solche Transformativen Innovationen aus diversen Arbeitsbereichen des Wuppertal Instituts vorstellen. Er dient vor allem als Einladung, gemeinsam mit dem Wuppertal Institut über solche Innovationen zu diskutieren, die irgendwo zwischen den großen Utopien und kleinen Nischenaktivitäten liegen. Denn es braucht nicht immer den ganz großen Wurf, um Veränderungen in Gang zu setzen.
With regard to residential energy use in the European Union (EU), most studies consider potential adopters of the technology (e.g., private owners) as being the sole decision-makers in the technology selection. However, during an integrated decision-making process (e.g., a construction project) multiple stakeholders will interact, influencing each other's judgement, thereby making it difficult to discern who is affecting the final decision, and to what extent. The goal of this study is to outline the full network of stakeholders involved in the decision-making process, along with their degree of power and interaction in the technology choice. For this purpose, empirical evidence from a multi-country survey is examined using social network analysis (SNA). The information is compared across building typologies, project types and countries (i.e., Italy, Spain, Germany, Poland, the United Kingdom, France, Belgium and the Netherlands). The results demonstrate that, in EU residential buildings, potential adopters of the technology are not the only stakeholders involved in the technology selection. They are in all instances in communication with multiple stakeholders, some of whom also hold a high level of power in the decision (i.e., key persuaders). Furthermore, their level of power and communication varies substantially across building typologies, project types and countries.
The Wuppertal Institute conducted an impact analysis of the NRW sustainability bond #5 of 2019 on behalf of the State government of North Rhine-Westphalia (NRW). The most recent bond has a volume of EUR 2.25 bn, a term of 15 years and consists of 52 eligible projects from the State's 2018 general budget (sustainable value-added was confirmed in a second party opinion by ISS-oekom). This report analyses the contribution of the bond to climate mitigation, sustainable land use and social impacts. It also includes information on the impacts of the previous four bonds (NRW sustainability bond #1 to #4).
The Wuppertal Institute conducted an impact analysis of the NRW Sustainability Bond #4 of 2018 on behalf of the State Government of North Rhine-Westphalia (NRW). The most recent bond has a volume of EUR 2.025bn, a term of 10 years and consists of 52 eligible projects from the State's 2017 general budget (sustainable value-added was confirmed in a second party opinion by oekom research1). This report analyses the contribution of the bond to climate mitigation, sustainable land use and social impacts. It also includes information on the impacts of the previous three bonds (NRW Sustainability Bond #1 to #3).