Demand side options to reduce greenhouse gas emissions and the land footprint of urban food systems: A scenario analysis for the City of Vienna

Lauk, Christian; Kaufmann, Lisa; Theurl, Michaela C.; Wittmann, Fritz; Eder, Michael; Hörtenhuber, Stefan; Freyer, Bernhard; Krausmann, Fridolin

doi:10.1016/j.jclepro.2022.132064

Cited by 16 publications

(4 citation statements)

References 57 publications

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“…These examples highlight how regional food choices can change the land footprint. Of course, dietary changes towards a healthy, vegetarian or vegan diet would have a much larger impact 46,47 . Based on our methodological approach, the effects of alternative diets can also be modelled spatially explicitly for the Alpine space in the future.…”

Section: Discussionmentioning

confidence: 99%

Regional food self-sufficiency potential in the European Alpine space

Pecher,

Marsoner,

Tasser

2024

Sci Rep

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The sustainability of the food system needs to be improved, including shortening supply chains and promoting the consumption of regional food. Here, we explore the current potential for regional food self-sufficiency in the European Alpine space by calculating the current regional food/feed energy balance, deriving the regional per capita land footprint based on current food/feed consumption rates, and modelling the current potential for regional food/feed self-sufficiency. We show that 59% of the 560 Pcal of energy currently available in the study area comes from domestic production, and almost 60% of the energy is used for livestock consumption, with high regional variability. The resulting land footprints range from 2301 to 2975 m2 cap−1 y−1. Taking into account changes in cropping patterns, partial intensification, but no expansion of agricultural land, the European Alpine space could produce 89% of its current food demand domestically, with high regional variability due to population density, availability of agricultural land, crop yields, climatic conditions and dietary habits. These findings highlight the potential and limitations of regional mountain food systems and call for new strategies to improve sustainability. Reducing the current high consumption of animal products would reduce the land footprint and increase the potential for food self-sufficiency.

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Section: Discussionmentioning

confidence: 99%

Regional food self-sufficiency potential in the European Alpine space

Pecher,

Marsoner,

Tasser

2024

Sci Rep

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“…on resource flows and farming systems) (Table 1). The bio-physical model applied a systems-based approach that translates food intake into primary biomass and land use on different spatial scales and calculates GHG emissions for the different processes involved along the value chain (in particular agricultural production, transport, food processing) (for further details see Lauk et al 2022). In a counterfactual approach, we used the model to explore how changes along the three dimensions of sustainable diets impact the land and GHG footprint of urban food consumption.…”

Section: Food System Modellingmentioning

confidence: 99%

“…Community kitchen (Caritas) To discuss possible measures for the transition pathways of the three scenarios Forthcoming). A major challenge of quantitative modelling of the Viennese food system was a surprising lack of systematic data on prevailing food consumption patterns and urban supply chains (see Lauk et al 2022).…”

Section: Food System Modellingmentioning

confidence: 99%

Diverse types of knowledge on a plate: a multi-perspective and multi-method approach for the transformation of urban food systems towards sustainable diets

et al. 2023

Self Cite

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Urbanization processes are accompanied by growing global challenges for food systems. Urban actors are increasingly striving to address these challenges through a focus on sustainable diets. However, transforming food systems towards more sustainable diets is challenging and it is unclear what the local scope of action might be. Co-production of knowledge between science and non-science is particularly useful for analysing context-specific solutions and promise to result in more robust socio-economic, political and technical solutions. Thus, this paper aims to integrate different types and sources of knowledge to understand urban food systems transformation towards a more sustainable diet in Vienna; and, second, to analyse and reflect on the difficulties and ways forward to integrate diverse actors’ perspectives, multiple methods and epistemologies. We created different future scenarios that illustrate the synergies and trade-offs of various bundles of measures and the interactions among single dimensions of sustainable diets. These scenarios show that there is plenty of scope for local action, but co-ordination across diverse groups, interests, and types of knowledge is necessary to overcome lock-ins.

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“…However, plant proteins are nutritionally comprehensive, similar to animal proteins, easily digested and absorbed by the body, and have a variety of physiological health functions [ 4 ]. In addition, the spread of plant-based protein products can reduce the need to feed animals and slaughter them and plant-based farming can reduce the land area and carbon emissions and lower water consumption compared with animal farming, resulting in environmental sustainability and resource conservation [ 5 ]. With a common consideration for both, plant-based foods are highly favored for their attributes of preservation of environmental resources and their related benefits to human health [ 6 ].…”

Section: Introductionmentioning

confidence: 99%

Updates on Plant-Based Protein Products as an Alternative to Animal Protein: Technology, Properties, and Their Health Benefits

Xiao

Zou

et al. 2023

Molecules

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Plant-based protein products, represented by “plant meat”, are gaining more and more popularity as an alternative to animal proteins. In the present review, we aimed to update the current status of research and industrial growth of plant-based protein products, including plant-based meat, plant-based eggs, plant-based dairy products, and plant-based protein emulsion foods. Moreover, the common processing technology of plant-based protein products and its principles, as well as the emerging strategies, are given equal importance. The knowledge gap between the use of plant proteins and animal proteins is also described, such as poor functional properties, insufficient texture, low protein biomass, allergens, and off-flavors, etc. Furthermore, the nutritional and health benefits of plant-based protein products are highlighted. Lately, researchers are committed to exploring novel plant protein resources and high-quality proteins with enhanced properties through the latest scientific and technological interventions, including physical, chemical, enzyme, fermentation, germination, and protein interaction technology.

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Demand side options to reduce greenhouse gas emissions and the land footprint of urban food systems: A scenario analysis for the City of Vienna

Cited by 16 publications

References 57 publications

Regional food self-sufficiency potential in the European Alpine space

Regional food self-sufficiency potential in the European Alpine space

Diverse types of knowledge on a plate: a multi-perspective and multi-method approach for the transformation of urban food systems towards sustainable diets

Updates on Plant-Based Protein Products as an Alternative to Animal Protein: Technology, Properties, and Their Health Benefits

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