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排序方式: 共有360条查询结果,搜索用时 31 毫秒
351.
T.F. GoAuthor Vitae D.A. Wahab Author VitaeM.N.Ab. RahmanAuthor Vitae R. RamliAuthor VitaeC.H. AzhariAuthor Vitae 《Journal of Cleaner Production》2011,19(13):1536-1546
Environmental sustainability has become the main items of contest in the automotive industries. Therefore in the order to reduce the environmental impact of end-of-life vehicles, European Union, Japan, USA, and Australia laws require manufacturers to take back their products at the end of their useful life and recycle them. In order to enhance the recycling rate of the vehicle, disassemblability of the automotive components has been a major concern. In the chain of end-of-life, except for landfill and incineration, components of economic value destined for reuse, remanufacture, or recycling have first to be disassembled from the end-of-life vehicles. There are several efforts within the academic community to rationalise design for disassembly and recycling, and several attempts by industry to study these issues in the context of specific products. Recent publications offer a broad perspective on recyclability and disassemblability. It is therefore necessary to determine the optimal stage of disassembly, when all economically valuable components are retrieved. This paper presents a review of several disassemblability methods, including spread sheet-like chart, end-of-life value and time for disassembly. The review concludes on the need for an effective disassembly method in order to enhance the recovery of products. 相似文献
352.
Marta HervaAuthor VitaeAmaya FrancoAuthor Vitae Eugenio F. CarrascoAuthor VitaeEnrique RocaAuthor Vitae 《Journal of Cleaner Production》2011,19(15):1687-1699
This paper reviews a series of environmental indicators developed in the last years that were found suitable to be applied at corporate level for the evaluation of production processes and products. The indicators reviewed in this paper were classified into four main groups: 1) Indicators of Energy and Material Flows; 2) Indicators with a Territorial Dimension; 3) Indicators of Life-Cycle Assessment; 4) Indicators of Environmental Risk Assessment. Integrative and single index indicators such as the ecological footprint or carbon footprint were found as the most appealing for enterprises, although there is a need to advance in the field to combine the simplicity required at corporate level for tracking and reporting environmental data, and the scientific rigor and transparency necessary to make the scores reliable. Hence, for each of the indicators revised it was stated what they do and do not measure so that misleading information was not used for decision making at corporate level. 相似文献
353.
Tineke LambooyAuthor Vitae 《Journal of Cleaner Production》2011,19(8):852-866
Freshwater scarcity is no longer limited to sub-Saharan developing countries; also in Western society, access to unlimited amounts of freshwater is not assured at all times. It has been argued - and laid down in many national legal systems - that access to freshwater is a basic human right. What if corporate freshwater use threatens to interfere with this human right? The main focus of the article is to explore the role of today’s companies in relation to freshwater. A number of tools have been developed to attend to the necessity to reduce corporate use of freshwater. The article discusses specialised water reporting instruments such as the 2007 Global Water Tool and the ‘water footprint’ calculation method. In addition, attention is paid to a CERES report (2010) revealing that the majority of the 100 world’s leading companies in water-intensive industries still has weak management and disclosures of water-related risks and opportunities. To obtain concrete information about corporate water strategies and practices, an explorative analysis was conducted on 20 Dutch multinational companies. The article highlights various innovative practices. In sum, it is demonstrated that companies are expected to bear responsibility for their impact on water resources, in particular when it influences public access to water in areas with freshwater scarcity and/or weak government. Notwithstanding the critical conclusions of the CERES report, it is interesting to see an evolution in corporate research concerning sustainable water use and the development of greener products and greener ways of production. 相似文献
354.
Sethumadhavan RavichandranAuthor VitaeRyan M. BouldinAuthor Vitae Jayant KumarAuthor Vitae Ramaswamy NagarajanAuthor Vitae 《Journal of Cleaner Production》2011,19(5):454-458
The recognition of toxicity and environmental persistence of halogenated flame retardant (FR) materials has prompted the reduction in their usage across the globe. There is an immediate need for new types of non-toxic and effective FR produced preferably through sustainable routes. Here we report the synthesis and characterization of a new polyphenolic FR material based on a renewable and biodegradable starting material, cardanol (a byproduct of cashew nut processing). Cardanol was polymerized in aqueous media using various types of oxidants. The thermal properties of the resulting polymers were investigated. Polycardanol synthesized using a specific type of oxidant exhibited good thermal stability and low heat release capacity. Preliminary results obtained from this study are quite promising and indicate the possibility of synthesizing new types of FR materials from bio-based phenols. 相似文献
355.
M. Borga E.N. Anagnostou G. Blöschl J.-D. CreutinAuthor vitae 《Environmental Science & Policy》2011,14(7):834-844
The management of flash flood hazards and risks is a critical component of public safety and quality of life. Flash-floods develop at space and time scales that conventional observation systems are not able to monitor for rainfall and river discharge. Consequently, the atmospheric and hydrological generating mechanisms of flash-floods are poorly understood, leading to highly uncertain forecasts of these events. The objective of the HYDRATE project has been to improve the scientific basis of flash flood forecasting by advancing and harmonising a European-wide innovative flash flood observation strategy and developing a coherent set of technologies and tools for effective early warning systems. To this end, the project included actions on the organization of the existing flash flood data patrimony across Europe. The final aim of HYDRATE was to enhance the capability of flash flood forecasting in ungauged basins by exploiting the extended availability of flash flood data and the improved process understanding. This paper provides a review of the work conducted in HYDRATE with a special emphasis on how this body of research can contribute to guide the policy-life cycle concerning flash flood risk management. 相似文献
356.
357.
He Jia Sun Sun Bao Cunkuan Chen Fan Jiang DaheAuthor vitae 《Environmental Impact Assessment Review》2011,31(6):587-592
This research was to evaluate the Technical Guideline (HJ/T130-2003) effectiveness based on data resource from a questionnaire survey and interviews on EIA experts. The result demonstrated that the guideline served mainly as a quality control measure for PEIA products, and only a small proportion of experts considered it effective due to its inconsistency with the newly released Chinese PEIA Regulation (2009) and poor practicability. Current status of SEA implementation in China was also studied in terms of application fields, effectiveness evaluation, and major issues to affect SEA, to conclude that SEA implementation in China is premature, and with limited effectiveness. The major problem was the lack of effective methodologies and technical tools. Recommendations for revising the PEIA Guideline and advices to improving SEA implementation in China were accordingly proposed. 相似文献
358.
Pavit Ramachandran Lothar LindeAuthor vitae 《Environmental Impact Assessment Review》2011,31(6):602-611
The GMS countries, supported by the Asian Development Bank, have adopted a holistic, multidimensional approach to strengthen infrastructural linkages and facilitate cross border trade through (i) the establishment of a trans-boundary road connecting two economic nodes across marginalised areas, followed by 2) facilitation of environmentally and socially sound investments in these newly connected areas as a means to develop livelihoods. The North–South Economic Corridor is currently in its second phase of development, with investment opportunities to be laid out in the NSEC Strategy and Action Plan (SAP). It targets the ecologically and culturally sensitive border area between PR China's Yunnan Province, Northern Lao PDR, and Thailand. A trans-boundary, cross-sectoral Strategic Environmental Assessment was conducted to support the respective governments in assessing potential environmental and social impacts, developing alternatives and mitigation options, and feeding the findings back into the SAP writing process. Given the spatial dimension of corridor development—both with regard to opportunities and risks—particular emphasis was put in the application of spatial modelling tools to help geographically locate and quantify impacts as a means to guide interventions and set priorities. 相似文献
359.
Jesper Slver Schou Jesper Bladt Rasmus Ejrns Maria Nygrd Thomsen Suzanne Elizabeth Vedel Camilla Fljgaard 《Ambio》2021,50(5):1047
Policies aiming at improving biodiversity often consist of costly agri-environmental schemes, i.e. subsidized grazing or mowing of semi-natural areas. However, these practices have widely been found to be insufficient to mitigate biodiversity loss. Rewilding, i.e. restoring natural processes in self-sustaining biodiverse ecosystems, has been proposed as an alternative and is hypothesized to be a more cost-efficient approach to promote biodiversity conservation. Rewilding requires the availability of large natural areas which are not allocated for farming, forestry, and infrastructure to avoid potential conflicts over the use of the area. We perform an ex-ante private cost–benefit analysis of the establishment of four large nature reserves for rewilding in Denmark. We analyse the economic effects of changing from summer grazing in nature areas in combination with cultivated fields and forestry to the establishment of nature reserves in four case areas. We consider two scenarios involving conversion of agriculture and forestry areas into natural areas in combination with either extensive year-round cattle grazing or rewilding with wild large herbivores. In two case areas, it appears possible to establish large nature areas without incurring extra costs. Additionally, rewilding further reduces costs compared to year-round cattle grazing. Two opposing effects were dominant: increased economic rent occurred from the shift from summer grazing to year-round grazing or rewilding, while cessation of agriculture and forestry caused opportunity costs. 相似文献
360.
Bringing flood resilience into practice: the FREEMAN project 总被引:1,自引:0,他引:1
K. Schelfaut B. Pannemans I. van der Craats J. Krywkow J. Mysiak J. CoolsAuthor vitae 《Environmental Science & Policy》2011,14(7):825-833
The recent shift in flood risk management concedes that floods cannot be prevented but the impacts on and vulnerability of the risk prone communities can be reduced. Beyond mere structural defence, an integrated risk management approach deploys a diversified set of measures that moderate the economic and social drivers of risk and improve risk governance. In this context, the concept of resilience gains on importance despite the many challenges that obstruct its implementation in management practice. This paper contributes to tackling these challenges and elaborates on opportunities and bottlenecks to bring resilience into practice based on a review of the flood risk management in three case studies in Europe: Flanders (Belgium), Niedersachsen (Germany) and Calabria (Italy). The paper summarizes insights gained on three components of resilience being – institutional interplay, flood management tools and risk communication. The work that has lead to this paper is done under the FREEMAN project (flood resilience enhancement and management), funded under the 2nd CRUE ERA-Net Funding Initiative. 相似文献