Lifestyle changes in mitigation pathways: policy and scientific insights

Saujot, Mathieu; Gallic, Thomas Le; Waisman, Henri

doi:10.1088/1748-9326/abd0a9

Cited by 21 publications

(20 citation statements)

References 66 publications

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“…Secondly, it considers simultaneously supply and demand. As other similar foresight exercises, this modelling approach makes important assumptions about consumption practices and food regimes to keep the Earth system within the planetary boundaries [48].…”

Section: An Innovative Modelling Approach Which Needs Further Developmentmentioning

confidence: 99%

Designing Just Transition Pathways: A Methodological Framework to Estimate the Impact of Future Scenarios on Employment in the French Dairy Sector

et al. 2021

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This paper proposes an innovative framework to describe sustainable transitions of food systems while considering simultaneously socio-economic and environmental issues, in a just transition perspective. This framework (i) describes the structural changes needed for a sustainable transition in food systems; (ii) assess their effects on employment at the farm and processing industry level; (iii) detect the political levers needed to make this transition a just one—that is, preserving jobs and livelihoods for communities. Using the decarbonation pathway for the agricultural sector issued from the French National Low-Carbon Strategy as reference, we developed two scenarios for the French dairy sector which have the same level of climate ambitious, but a different approach to reach the target. Aiming exclusively to achieve a greenhouse gases reduction, the first scenario relies only on supply side measures. This scenario has a negative impact in terms of employment loss at the farm level and in the agri-food sector. In contrast, a multifunctional scenario considering simultaneously climate, biodiversity, health, and employment issues, and playing with policy measures targeting supply, demand and market organisation can maintain jobs in the farm and agri-food sector, contributes to restore the agro-biodiversity and develops food products compatible with healthy nutritional guidelines.

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Section: An Innovative Modelling Approach Which Needs Further Developmentmentioning

confidence: 99%

Designing Just Transition Pathways: A Methodological Framework to Estimate the Impact of Future Scenarios on Employment in the French Dairy Sector

et al. 2021

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“…This has begun to change in recent years through emergence of new scientific evidence and associated research on the large contribution of lifestyle transformations towards meeting ambitious climate goals, and how these lifestyle changes can be represented in large-scale quantitative models. Previous reviews on this topic sought to provide a comprehensive description of the approaches that have been applied to model lifestyles in global scenarios via IAMs [15,17]. More specifically, Van den Berg et al (2019) elaborated on the application of the Avoid-Shift-Improve (ASI) framework [18] to define and categorize various mitigation measures.…”

Section: Introductionmentioning

confidence: 99%

“…Previous reviews on this topic sought to provide a comprehensive description of the approaches that have been applied to model lifestyles in global scenarios via IAMs [15,17]. More specifically, Van den Berg et al (2019) elaborated on the application of the Avoid-Shift-Improve (ASI) framework [18] to define and categorize various mitigation measures.…”

Section: Introductionmentioning

confidence: 99%

“…The latter perspective has been the focal point in the majority of previous energy-modeling exercises; therefore, questions about the determinants of behavioral change have been overlooked to a significant extent. Saujot et al (2021) reiterated the need for a better integration of lifestyle changes in IAM-based mitigation pathways, through placing increased emphasis on incorporating complex social phenomena and portraying the heterogeneous responses of different population groups. Representing actor heterogeneity in models is especially relevant when the objective is to simulate social processes, such as lifestyle and behavioral changes, which arise from the coordinated action of consumer groups interacting through (for example) social-influence dynamics [16].…”

Section: Introductionmentioning

confidence: 99%

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Assessing Lifestyle Transformations and Their Systemic Effects in Energy-System and Integrated Assessment Models: A Review of Current Methods and Data

et al. 2022

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Achieving the ambitious climate targets required to limit global warming to 1.5 °C requires a deep transformation of the supply-and-demand side of energy–environmental–economic systems. Recent articles have shown that environmentally sustainable consumer behaviors driven by lifestyle changes can significantly contribute to climate-change mitigation and sustainable development goals. However, lifestyle changes are not adequately captured by scenarios developed with integrated assessment and energy-system models (IAMs/ESMs), which provide limited policy insights. This article conducts a systematic review of the IAM and ESM literature to identify the most important lifestyle changes in current mitigation pathways for the residential and transport sectors, review the employed state-of-the-art modeling approaches and scenario assumptions, and propose improvements to existing methodological frameworks. The review finds that mode shifts towards public transport and active transport modes, shared mobility, and eco-driving have the greatest impact in the transport sector, while actions that reduce space and water-heating requirements and the circular economy are the most effective practices in households. Common modeling approaches lack sophistication as they omit (1) the dynamics and costs of demand-side transitions, (2) the heterogenous responses of different consumer groups, and (3) the structural effects of lifestyles on the macro-economy. New approaches employing innovative methodologies combined with big data collected from users offer new avenues to overcome these challenges and improve the modeling of lifestyle changes in large-scale models.

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“…In terms of research on lifestyle changes and climate change mitigation, the body of literature has grown but is still limited. For example, emission pathways based on the integrated assessment models (IAMs) incorporate various aspects of lifestyle changes; however, these need to be developed to more comprehensively explore the impacts of indirect emissions through the lifecycle of goods and services (van den Berg et al 2019;Saujot et al 2021). Studies in the field of industrial ecology using environmentally extended Handled by Osamu Saito, Institute for Global Environmental Strategies, Japan.…”

Section: Introductionmentioning

confidence: 99%

Lifestyle carbon footprints and changes in lifestyles to limit global warming to 1.5 °C, and ways forward for related research

et al. 2021

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This paper presents an approach for assessing lifestyle carbon footprints and lifestyle change options aimed at achieving the 1.5 °C climate goal and facilitating the transition to decarbonized lifestyles through stakeholder participatory research. Using data on Finland and Japan it shows potential impacts of reducing carbon footprints through changes in lifestyles for around 30 options covering food, housing, and mobility domains, in comparison with the 2030 and 2050 per-capita targets (2.5–3.2 tCO2e by 2030; 0.7–1.4 tCO2e by 2050). It discusses research opportunities for expanding the footprint-based quantitative analysis to incorporate subnational analysis, living lab, and scenario development aiming at advancing sustainability science on the transition to decarbonized lifestyles.

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Lifestyle changes in mitigation pathways: policy and scientific insights

Cited by 21 publications

References 66 publications

Designing Just Transition Pathways: A Methodological Framework to Estimate the Impact of Future Scenarios on Employment in the French Dairy Sector

Designing Just Transition Pathways: A Methodological Framework to Estimate the Impact of Future Scenarios on Employment in the French Dairy Sector

Assessing Lifestyle Transformations and Their Systemic Effects in Energy-System and Integrated Assessment Models: A Review of Current Methods and Data

Lifestyle carbon footprints and changes in lifestyles to limit global warming to 1.5 °C, and ways forward for related research

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