Peri-urbanization, land teleconnections, and the equality of ecological exchange: An emergy approach

Huang, Shu‐Li; Chiu, Hao-Wei

doi:10.1016/j.landurbplan.2020.103781

Cited by 10 publications

(5 citation statements)

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“…Even in the small city of Feliz (Brazil), which produces more food than it consumes, authors warn that the city cannot be considered self‐sufficient, as it produces a small number of products destined to exports, while most of the food consumed by its inhabitants is imported (Kuhn et al., 2017). This means that very little food consumed in cities is produced within urban administrative boundaries, implying an unequal distribution of environmental benefits and burdens (Huang & Chiu, 2020), particularly as most of food's environmental impacts occur at the stage of agricultural production—thus occurring outside of cities’ administrative boundaries (Dias et al., 2018; Moore et al., 2013; Stelwagen et al., 2021). Embedded mass can represent 96% of meat flows in different cities across the world (Goldstein et al., 2013), which illustrates why territorial‐based and consumption‐based approaches to estimating food flows’ environmental impacts yield such different results.…”

Section: Resultsmentioning

confidence: 99%

“…Half of those (8/16) explore an unequal distribution of goods (food, capital, environmental impacts, or land) across social groups. At a regional scale, cities tend to accumulate environmental benefits (a constant supply of energy and food), while rural areas are affected by natural resource extraction and associated environmental impacts (Huang & Chiu, 2020; Inostroza, 2018; Lee & Liao, 2021). This dynamic of unequal material exchanges, which produce environmental injustices, can also be observed within cities.…”

Section: Resultsmentioning

confidence: 99%

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The current and potential role of urban metabolism studies to analyze the role of food in urban sustainability

Guibrunet

Jiménez

2022

J of Industrial Ecology

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Food supply chains are essential for urban sustainability. To reflect on the state of knowledge on urban food flows in urban metabolism research, and the actual and potential role of urban metabolism studies to tackle food sustainability in cities, we systematically review scientific research on food from an urban metabolism perspective and apply statistical and thematic analyses. The analysis of 89 studies provides insights as to the relation between food supply and (environmental and social dimensions of) urban sustainability. First, food is an important contributor to urban environmental impacts, if a consumption-based approach is adopted. Secondly, the social impacts of urban food supply remain scarcely studied in urban metabolism research, but emerging results on public health, malnutrition, and food waste appear promising. In parallel, we find that the findings of the studies fail to engage with debates present in the broader literature, such as that of food justice. Our analysis shows that most studies focus on large cities in high-income, data-rich countries. This limits our understanding of global urban food supply. Existing studies use innovative mixed-methods to produce robust accounts of urban food flows in data-scarce contexts; expanding these accounts is necessary to get a better understanding of how urban food supply and its diverse impacts in terms of environmental and social sustainability may vary across cities, a necessary step for the urban metabolism literature to contribute to current debates around food sustainability and justice. K E Y W O R D Sfood, industrial ecology, sustainability, systematic review, urban metabolism, urban political ecology INTRODUCTION The role of food supply in urban sustainabilityFood provision is an important sector to take into account for global environmental sustainability: Agriculture is responsible for the majority of the world's water eutrophication and freshwater use (FAO, 2011;Poore & Nemecek, 2018). The food sector (including production, commercialization, and consumption stages) accounts for 26% of global greenhouse gas (GHG) emissions (Poore & Nemecek, 2018). At the urban scale, food can be the biggest contributor to a city's environmental footprint (Moore et al., 2013). Given that the majority of the global population lives in cities (UNDES,This is an open access article under the terms of the Creative Commons Attribution-NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

The current and potential role of urban metabolism studies to analyze the role of food in urban sustainability

Guibrunet

Jiménez

2022

J of Industrial Ecology

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“…Discrepancies between population and economy impact the sustainability of economic benefits [35,36]. Similarly, incongruities between land development and population/economy not only affect economic sustainability but also pose threats to social equity and social sustainability, as supported by existing research [37,38]. Localized spatial agglomerations of population and economy result in significant differences in land prices, leading landowners to be under-motivated and uncooperative in choosing industrial forms or supporting public infrastructure services within the bounds of the plan.…”

Section: Discussionmentioning

confidence: 99%

Community-Scale Classification and Governance Policy Implications for Demographic, Economic, and Land-Use Linkages in Mega-Cities

Mao,

Fan,

Zhou

et al. 2024

Land

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Analyzing the spatio-temporal relationship between socio-economics and land-use structure at the micro-scale is crucial for effective spatial governance in large cities. This paper focuses on Beijing, utilizing long time-series remote sensing images and multi-source data spanning 30 years. We employ spatio-temporal clustering based on kilometer grid cells and a community-scale multi-factor aggregation method to categorize the linkages and spatio-temporal matching of population, GDP, land development, and ecological protection at the community level in a problem-oriented approach. Results indicate significant changes in Beijing’s population, GDP, and land use, with a 11.53% increase in land development intensity. We identify significant temporal and spatial disparities between population–GDP dynamics, population–land development trends, and GDP–land development patterns, underscoring the multifaceted challenges inherent in urban governance. Areas characterized by lagging population concentration, sluggish economic growth, rampant land development, and ecological fragility collectively encapsulate notable portions of Beijing’s expansive urban terrain. Mismatches pose governance risks, with medium to high-risk communities comprising 18.08% of community units and high-risk types representing 4.27% in Beijing. These discrepancies pose formidable governance risks, with communities ranging from moderate to high-risk categories, necessitating tailored interventions to address their unique challenges. This systematic exploration of comprehensive governance issues within mega-cities promises to furnish decision-makers with invaluable insights, facilitating nuanced and strategic urban governance approaches tailored to the intricacies of urban dynamics and challenges.

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“…As an ecological economic concept, the emergy approach has provided a new perspective for sustainability; based on its inherent advantages, it has been used in a wide range of applications, including national sustainability assessments [12], city sustainability studies [13][14][15][16], industry evaluations [17][18][19], building system research [20,21], water system protection directions [22][23][24], material fields [25][26][27], waste areas [28], etc. For example, the world coastal ecosystem was chosen to assess sustainability based on the emergy method [12].…”

Section: Introductionmentioning

confidence: 99%

“…Through the emergy and slack-based model, the urban metabolism in Beijing city has been studied [15]. Emergy methods have been applied in three areas, including peri-urbanization, land teleconnections, and the equality of ecological exchange [16]. On account of sustainability and ecological efficiency, a solar power plant was selected for a quantitative assessment study [17].…”

Section: Introductionmentioning

confidence: 99%

Sustainability Investigation in the Building Cement Production System Based on the LCA-Emergy Method

Wang

Liu²,

Zhang³

et al. 2022

Sustainability

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As one of the highest energy and resource consumption industries in China, discussion on the sustainability of the cement production system has great significance. This study conducted sustainable calculations and analyses for cement production systems based on the emergy method. This study also considers the sustainability impact of clean energy on the overall cement production system. Through a series of sustainable indicator measurements, the results prove that: (1) the two primary sections, non-renewable resource and non-renewable energy, contribute 88.6% and 11.1% of the emergy proportion, respectively; (2) the emergy sustainability indicator (ESI) was only 0.058, which is significantly less than the standard; (3) through the analysis of eight hypotheses, a very small change between the absolute values was found, which demonstrates that the sensitivity changes are within acceptable limits for the cement production system; and (4) by integrating the biological power generation subsystem, sustainability has been optimized in the cement production system. Finally, two ameliorated strategies are discussed in this paper for the better sustainability performance of the cement production system in the future.

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Peri-urbanization, land teleconnections, and the equality of ecological exchange: An emergy approach

Cited by 10 publications

References 32 publications

The current and potential role of urban metabolism studies to analyze the role of food in urban sustainability

The current and potential role of urban metabolism studies to analyze the role of food in urban sustainability

Community-Scale Classification and Governance Policy Implications for Demographic, Economic, and Land-Use Linkages in Mega-Cities

Sustainability Investigation in the Building Cement Production System Based on the LCA-Emergy Method

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