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41.
Ángel F. Herrera-Ulloa Anthony T. Charles Salvador E. Lluch-Cota Hermán Ramirez-Aguirre Sergio Hernández-Váquez Alfredo Ortega-Rubio 《国际发展与全球生态学杂志》2013,20(4):353-360
Sustainable development, as a multi-dimensional concept, is difficult to measure. Some efforts using indicators and indices have appeared in recent years, but most were developed on a national scale. Use of sustainability indicators has proven valuable for attaining better management of the environment by minimizing information gaps and maximizing community capabilities in terms of economic, social, environmental, and institutional sustainability dimensions. However, at least in the case of developing countries, the potential exists that national sustainability measures, based on national level indicators, may mask problems in sub-national zones with highly unsustainable conditions. This paper proposes a methodology to evaluate sustainable development at a local level, the use of which could be helpful in comparing different regions within a country or even among different countries. National sustainability indicators should result from a combination (whether additive or proportional) of regional sustainability indicators, as developed in this paper. 相似文献
42.
ABSTRACTIn 2018, Singapore produced a 7.7 million tonnes of waste, which is a significant amount of waste for a small nation-state. In line with the Sustainable Development Goal (SDGs) targets 11.6 and 12.5 of the 2030 Agenda, which addresses cities’ waste generation and management impacts, we ask the question of why Singapore households are not more proactively engaged in waste minimization, despite the presence of local waste minimization public campaigns. This study is the first known study to comparatively apply and test three major theories – social psychological, social-structural, and sociocultural theories, to explain household waste management behavior in Singapore. A national survey followed by regression analysis of 303 households was conducted. In our findings, we firstly describe current trends in household waste management behaviors. Secondly, we compared each applied theory’s ability to predict households’: (1) reuse and (2) recycling of a variety of household items; and (3) recycling frequency. We obtained partial evidence supporting the role of future-orientedness and environmental identity on householders’ variety reuse and recycling. Social-structural (age cohort x income, education) and situational variables (the convenience thesis), also predicted various waste minimization behaviors. Finally, householders’ knowledge of what is recyclable affected all forms of waste minimization behaviors. In view of the study’s findings, we propose a need for targeted planning and policy interventions for different segments of the Singapore population, and different short- and longer-term measures to initiate and achieve sustained household waste minimization. 相似文献
43.
J. H. C. Nobrega P. G. C. Pio G. L. Fernandes S. T. Botêlho T. C. Araujo R. Anholon 《国际发展与全球生态学杂志》2013,20(8):684-697
ABSTRACTThis article aims to list the main sustainable practices developed in the processes of metal forming, casting, heat treatment, welding and electrostatic painting. When analysed the literature about sustainable manufacturing, a predominance of studies about machining is observed and the processes mentioned are few explored in academic studies. The research strategy used to reach the objective was systematic literature review, conducted for each process cited. Many sustainable practices were identified with prominence of better materials use and energy efficiency. The authors of this article believe that the information presented here can be useful for researches in their future studies and for industry professionals interested in improving manufacturing processes. 相似文献
44.
Humanity's future depends on the preservation of natural ecosystems that supply resources and absorb pollutants. Rural and urban productions are currently based on chemical products made from petroleum, which are responsible for high negative impacts on the Biosphere. In order to prevent those impacts, efficient public policies seeking for sustainable development are necessary. Aiming to assess the load on the environment (considering the gratuitous contributions of natural systems—a donor's perspective) due to human-dominated process, a scientific tool called Emergy Evaluation has been applied in different production systems, including crops and farms. However, there is still a lack of emergy studies in the context of watersheds, probably due to the difficulty of collecting raw data. The present work aims to carry out an assessment of Mogi-Guaçu and Pardo watershed, through the combined use of Emergy Evaluation and Geographical Information System. The agricultural and natural land uses were considered, while urban areas were excluded. Emergy flows (expressed in seJ ha−1 yr−1) obtained for all agricultural and natural land uses were expanded for the whole watershed and the emergy indices were calculated. The results show that the watershed has: low renewability (%R = 32%); low capture of natural resources through high external economic investment (EYR = 1.86); low dependence on natural resources (EIR = 1.16); and moderate load on the environment (ELR = 2.08). Considering a scenario where sugar-cane crops, orchards and pasture areas are converted from conventional to organic management, watershed's emergy performance improved, reaching a new renewability of 38%, but it is still not enough to be considered sustainable. 相似文献
45.
Alex Ramiller 《Local Environment》2013,18(5):428-441
ABSTRACTWhile local governance is widely acknowledged as an important element in the pursuit of sustainability, local action alone is insufficient to produce lasting change. One recent solution to this quandary has been the production of certification frameworks that encourage sustainable development at the neighbourhood scale by providing local actors with standardised definitions of sustainable practices. While these frameworks facilitate the spread of sustainable development strategies between local communities, there are significant contrasts between their approaches to encouraging local sustainable development that simultaneously fulfils global objectives. This article explores these contrasts through two neighbourhood-scale sustainability certification frameworks: LEED for Neighborhood Development (LEED-ND) and the EcoDistricts Protocol. Analysis of these frameworks in the context of two centrally-located neighbourhoods in Portland, Oregon, reveals substantial contrasts between the two frameworks in terms of the relative flexibility of their sustainability metrics, the time frame over which decisions regarding sustainable development are made, and community involvement in the process of pursuing specific objectives. Furthermore, it suggests that greater flexibility in the application of standards, continuous governance, and greater community involvement lead to more dynamic and holistic forms of sustainability that evolve as both local community needs and broader understandings of sustainability change over time. 相似文献
46.
David P. Jackson 《International Journal of Green Energy》2013,10(2):161-172
The sustainability of nuclear energy is discussed in terms of its environmental impacts and its utilization of resources. The reactors in the present generation of fission reactors extract only a small percentage of the energy available from uranium. A solution to the long-term management of highly radioactive used reactor fuel is also a key factor in fission's sustainability. Recycling used fuel for enhanced energy production in advanced reactors and the mitigation of the long-term management of the remaining wastes, ideally with their ultimate destruction by nuclear transmutation, are technologies that need to be developed in order to ensure the long term sustainability of nuclear fission. In contrast, nuclear fusion, while not yet available for power production, promises to be inherently sustainable. 相似文献
47.
This essay critiques natural capitalism, a concept developed as a strategic response to the antagonism of capitalist production and the ideology of sustainability. I trace and critique the second and third personae of the book Natural Capitalism. The second persona of natural capitalism constitutes already dominant capitalists and technocrats as the constituency best prepared to meet the exigencies of sustainability. Simultaneously, civil society and non-propertied classes constitute a marginalized third persona whose interests can be satisfied only if aligned with those of the second persona. This precarious arrangement is possible due to the non-ideological representation of natural capitalism. I argue that such a representation is misleading. Criticism of the tensions between natural capitalism's personae suggests radical potential for environmental rhetoric. 相似文献
48.
《Environmental Communication: A Journal of Nature and Culture》2013,7(1):101-118
This article analyzes an online discussion that followed an article published by UK environmental activist and journalist George Monbiot in The Guardian online newspaper. The analysis addresses the ways in which participants in an online forum debate responded to the tensions and contradictions between lifestyle, consumption, and sustainability highlighted in the original article. The discursive construction of class, green political orientations, and identities; visions of “the good life”; and appeals to religion and science are highlighted throughout the analysis—as are the discursive strategies for positioning self, other, and audience in the debate. The argument emphasizes the heterogeneity of discursive positioning and reflects on the role of social media in the politics of consumption and sustainability, especially given the inherent reflexivity of web forums as online communicative forms. 相似文献
49.
Rui Wang 《Natural resources forum》2011,35(2):112-121
This paper synthesizes the English literature on current issues, policies and practices, and their effects on environmental and resource sustainability in China's ongoing urbanization. Aspects of urban sustainability reviewed include air, water, solid waste, energy efficiency, transportation and land use. It shows that Chinese cities have been and probably will continue to be struggling with issues such as air pollution, scarcity of clean water, solid waste and greenhouse gas emissions. But there are many opportunities for improvement. It suggests shortages of existing policies and major gaps in knowledge and practice, which can be helpful to policy makers, planners and researchers in China and other developing countries. 相似文献
50.
Diane L. Larson Laura Phillips-Mao Gina Quiram Leah Sharpe Rebecca Stark Shinya Sugita Annie Weiler 《Journal of environmental management》2011
Applying the concept of sustainability to invasive species management (ISM) is challenging but necessary, given the increasing rates of invasion and the high costs of invasion impacts and control. To be sustainable, ISM must address environmental, social, and economic factors (or “pillars”) that influence the causes, impacts, and control of invasive species across multiple spatial and temporal scales. Although these pillars are generally acknowledged, their implementation is often limited by insufficient control options and significant economic and political constraints. In this paper, we outline specific objectives in each of these three “pillars” that, if incorporated into a management plan, will improve the plan’s likelihood of sustainability. We then examine three case studies that illustrate how these objectives can be effectively implemented. Each pillar reinforces the others, such that the inclusion of even a few of the outlined objectives will lead to more effective management that achieves ecological goals, while generating social support and long-term funding to maintain projects to completion. We encourage agency directors and policy-makers to consider sustainability principles when developing funding schemes, management agendas, and policy. 相似文献