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Das Fortschreiten des Klimawandels und die Schädigung der Ökosysteme machen deutlich, dass die seit Jahrzehnten international geforderte nachhaltige Entwicklung zu den wichtigsten Herausforderungen gehören.
Um die von den Vereinten Nationen in der Agenda 2030 festgeschriebenen Nachhaltigkeitsziele, den sogenannten Sustainable Development Goals (SDGs), zu erreichen, sind alle relevanten Akteurinnen und Akteure - die Politik, die Wirtschaft sowie jede und jeder Einzelne - gefragt.
Eine nachhaltige Entwicklung, die zugleich Umweltschonung, stabile wirtschaftliche und gesellschaftliche Entwicklung sowie soziale Gerechtigkeit berücksichtigt, beruht damit auf der Kompetenz oder auch der "Literacy" der Einzelnen, für sich und im Kollektiv nachhaltiges Handeln auszuüben und im gegenseitigen Miteinander fördern zu können. Doch welche Fähigkeiten sind notwendig, um nachhaltig Handeln zu können? Welche Fähigkeiten brauchen insbesondere Konsumentinnen und Konsumenten, um ihre Produktions- und Konsummuster nachhaltiger (mit-)gestalten zu können?
Antworten darauf liefert die "Literacy für nachhaltigen Konsum", die in dem vorliegenden Diskussionspapier entwickelt und vorgestellt wird.
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.
Food and nutrition systems are linked to all Sustainable Development Goals (SDGs), which makes their transition toward social-ecological behavior patterns crucial for an overarching sustainability transformation. The perspective of (urban) logistics is of special interest. It couples the production and consumption physically and virtually. In this context, we shed light on the design of the turnover point of food in urban areas from the supply chain toward consumers and contribute to an overarching systemic perspective toward establishing a sustainable multilevel food system. We describe current patterns in urban food systems and propose several principles for sustainable design of (urban) food systems based on concepts such as (regional) collaboration and food literacy. Using these principles, we provide four design scenarios that concretely imagine future urban food consumption and production patterns titled "slow stock supply service," "deliver into the daily walk," "central district food depot," "super food action place." With this work we provide a starting for reflecting whether certain combinations of principles actually lead to patterns of daily life that are feasible, acceptable, or desirable. Moreover, we provide an initial qualitative assessment to stimulate further research that explores scenario pathways and incorporates additional indicators regarding the impact on social-ecological. We open up various research questions with regard to the overarching question of how urban food logistics should be designed to be consistent with the SDGs.
Sustainable consumption policies affect households differently, in particular when they are confronted with limitations on income, time or freedom of movement (e.g. driving to work). And although it is possible to assess either the average or individual material footprint (per capita or via surveys), we lack methods to describe different types of households, their lifestyles and footprints in a representative manner.
We explore possibilities to do so in this article. Our interest lies in finding an applicable method that allows us to describe the footprint of households regarding their socio-demographic characteristics but also find the causes consumption behaviour. This type of monitoring would enable us to tailor policies for sustainable consumption that respect people's needs and restrictions.
The long-term transition towards a low-carbon transport sector is a key strategy in Europe. This includes the replacement of fossil fuels, modal shifts towards public transport as well as higher energy efficiency in the transport sector overall. While these energy savings are likely to reduce the direct greenhouse gas emissions of transport, they also require the production of new and different vehicles. This study analyses in detail whether final energy savings in the transport sector also induce savings for material resources from nature if the production of future vehicles is considered. The results for 28 member states in 2030 indicate that energy efficiency in the transport sector leads to lower carbon emissions as well as resource use savings. However, energy-efficient transport sectors can have a significant impact on the demand for metals in Europe. An additional annual demand for 28.4 Mt of metal ores was calculated from the personal transport sector in 2030 alone. The additional metal ores from semiprecious metals (e.g., copper) amount to 12.0 Mt, from precious metals (e.g., gold) to 9.1 Mt and from other metals (e.g., lithium) to 11.7 Mt, with small savings for ferrous metal ores (-4.6 Mt).
The paper describes patterns of resource use related to German households' equipment. Using cluster analysis and material flow accounting, data on socio-demographic characteristics, and expenditures on fuel, electricity and household equipment allow for a differentiation of seven different household types. The corresponding resource use, expressed in Material Footprint per person and year, is calculated based on cradle-to-gate material flows of average household goods and the related household energy use. Our results show that patterns of resource use are mainly driven by the use of fuel and electricity and the ownership of cars. The quantified Material Footprints correlate to social status and are also linked to city size, age and household size. Affluent, established and/or younger families living in rural areas typically show the highest amounts of durables and expenditures on non-durables, thus exhibiting the highest use of natural resources.
Quantitative environmental assessments are crucial in working effectively towards sustainable production and consumption patterns. Over the last decades, life cycle assessments (LCA) have been established as a viable means of measuring the environmental impacts of products along the supply chain. In regard to user and consumption patterns, however, methodological weaknesses have been reported and, several attempts have been made to improve LCA accordingly, for example, by including higher order effects and behavioural science support. In a discussion of such approaches, we show that there has been no explicit attention to the concepts of consumption, often leading to product-centred assessments. We introduce social practice theories in order to make consumption patterns accessible to LCA. Social practices are routinised actions comprising interconnected elements (materials, competences, and meanings), which make them conceivable as one entity (e.g. cooking). Because most social practices include some sort of consumption (materials, energy, air), we were able to develop a framework which links social practices to the life cycle inventory of LCA. The proposed framework provides a new perspective of quantitative environmental assessments by switching the focus from products or users to social practices. Accordingly, we see the opportunity in overcoming the reductionist view that people are just users of products, and instead we see them as practitioners in social practises. This change could enable new methods of interdisciplinary research on consumption, integrating intend-oriented social sciences and impact-oriented assessments. However, the framework requires further revision and, especially, empirical validation.
Die Ausarbeitung eines Konzepts für Nachhaltigkeitsbildung, welches das Ziel hat, nachhaltige Lebensstile zu befördern, muss zwei Barrieren überwinden können: die eine vom Nichtwissen zum Wissen, die andere vom Wissen zum Handeln. Sie zu überwinden, haben sich u. a. zwei Forschungsstränge zum Ziel gesetzt: Die pädagogische Kompetenzforschung, welche die für eine nachhaltige Denk- und Handlungsweise notwendigen Fähigkeiten aufdeckt, und die umweltpsychologische Theorieentwicklung, welche das Zusammenspiel von Umweltbewusstsein und andere auf das Umwelthandeln einwirkende Faktoren fokussiert. Die "Forschungsgruppe Nachhaltiges Produzieren und Konsumieren" des Wuppertal Instituts hat durch den Versuch, beide Stränge zu integrieren, ein eigenes Bildungs- und Kommunikationskonzept zur Förderung nachhaltiger Denk- und Handlungsweisen entwickelt und in die praktische Bildungsarbeit übersetzt. Die Theorie und Praxis dieses Bildungskonzepts sollen hier vorgestellt werden.
Nutrition is one of the most important areas for the great transformation. So how can a shift towards a sustainable food system be achieved? This paper addresses this question - based on more than ten years of research on sustainable nutrition at the Wuppertal Institute. It focuses on public catering, because even small changes - for example in the choice of ingredients - have a huge impact here. With appropriate policy frameworks, public catering can serve as an easily accessible place for consumers to experience sustainable food and at the same time be a reliable buyer of biodiversity and climate-friendly food from farmers. However, other actors are also needed for a transformation of the food system: The "Zukunftsimpuls" addresses politics, (agricultural) industry, science and every individual - because the transformation of the food system is a task for the entire society.