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To address climate change, the decarbonisation of Germany's existing building stock urgently needs to be prioritised. However, the rate and depth of refurbishment has lagged behind official targets for years. This is a particular problem in the rental sector, where the costs and benefits of energy efficiency measures tend to be unevenly distributed between landlords and tenants (the so-called "landlord-tenant dilemma"). Within the context of the current policy landscape, investments in energy efficiency consequently make most sense for landlords if the upfront costs can be refinanced via increased rental income or reduced vacant periods. This paper seeks to investigate the validity of this statement at city level by using a large dataset from one of Germany’s main internet property platforms to examine how the willingness of tenants to pay for energy efficiency varies across residential locations in the city of Wuppertal.
The small-scale spatial analysis highlights the existence of a price premium for energy efficiency in the rental market for apartments; however, this premium is generally small (especially in comparison to other property enhancements, especially visible improvements) or even non-existent in some residential areas. Consequently, investing in energy efficiency is rarely an attractive option for landlords. Therefore, strong policy action, aligned with social and urban development policy objectives, is necessary to establish an effective incentive structure in the market and make investing in energy efficiency more attractive for both landlords and tenants.
In the face of persistent sustain ability problems challenging economic development, ecological integrity as well as social justice, transformational changes are crucial. Proposed changes shall include, for instance, large-scale transitions of practices, infrastructures as well as values and priorities. In Germany, real-world laboratories are proposed for research in and with society, aiming to understand and contribute to transformations.
LinkLab is a newly established working group under the umbrella of German Committee Future Earth (DKN Future Earth). It opens up a space to discuss relevant connections and interfaces between real-world lab research and various scientific disciplines, exploring fruitful connections and pathways for mutual learning for future sustainability-oriented research.
The International Sustainability Transitions Conference (IST) will discuss advances in the field of sustainability transformations. The conference will be organized by the Sustainability Transitions Research Network, in which both the Wuppertal Institute and Leuphana University of Lüneburg participate.
Die Dekarbonisierung der Mietwohnungsbestände ist zwingende Voraussetzung für die Einhaltung deutscher Klimaschutzziele. Hierzu ist eine schnelle und deutliche Verbesserung der Energieeffizienz unabdinglich. Aber: funktioniert der Markt für Energieeffizienz bei Mietwohnungen? Eine empirische Untersuchung auf dem Wuppertaler Mietwohnungsmarkt gibt Antworten darauf. Um die Sanierungsrate signifikant zu steigern, etwa durch eine höhere Zahlungsbereitschaft für Energieeffizienz, braucht es sowohl für Vermieter als auch für Mieter verbesserte Rahmenbedingungen.
96 Prozent der Jugendlichen besitzen ein Smartphone und nutzen damit verbundene Dienste. Jedoch verursacht Informations- und Kommunikationstechnik (IKT) einen hohen Energie- und Ressourcenverbrauch. Es fehlt bislang an Konzepten und Ansätzen im Bereich Bildung, um die Nutzung solcher Technologien klimafreundlicher zu gestalten. Im Rahmen eines Modellprojekts wurde daher ein handlungspsychologisch fundierter didaktischer Ansatz erarbeitet, der auf die Förderung nachhaltigen Verhaltens im Hinblick auf IKT abzielt.