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41.
Sustainable development and environmental technology: a comparison of policy in Japan and the European Union 总被引:1,自引:0,他引:1
Summary The concept of sustainable development, is increasingly being proposed as a means to avoid the impasse between economic development and environmental protection. In this paper, the incorporation of the concept of sustainable development into policy-making in both Japan and the European Union is examined. A particular variation in response between the two has been in relation to encouraging the development of environmental or clean technologies, a key element in achieving sustainable development. The benefits of an early lead in environmental technology may result in gains to the economy. In this paper, the potential commercial gains from the integration of environmental policy with industrial, development are also examined.Dr David Gibbs is a Reader and Dr James Longhurst is Director of the Atmospheric Research and Information Centre within the Department of Environmental and Geographical Sciences at Manchester Metropolitan University. 相似文献
42.
Summary This paper discusses the air quality impacts of airport operations. It considers a range of pollutants and identifies emission sources both within and surrounding airports as being important in contributing to the air quality experienced at an airport. These sources include aircraft operations, landside traffic, airside traffic and fuel-handling operations. The paper considers air quality impacts over the last 30 years and draws examples from a variety of European airports. The paper concludes with a forecast of likely changes in emission sources and strengths at airports over the next 15 years.Drs James Longhurst, Beth Conlan and David Raper are air quality scientists specializing in the study of airport impacts upon air quality. They are based in the Atmospheric Research and Information Centre of Manchester Metropolitan University.First submitted June 1994. 相似文献
43.
44.
D. Rayfield J.W.S. Longhurst A.F.R. Watson T. Hewison D.W. Raper D.E. Conlan B. Owen 《The Environmentalist》1998,18(3):175-182
Road transport is a major contributor to urban air pollution. The introduction of local air qua lity management in the UK will require objective test procedures to evaluate and prioritise the air pollution benefits of existing transport systems and proposed developments. This methodology has been developed to assist the land use and transport planning professionals in evaluating current and potential future impacts on air quality. The method couples an emissions estimation procedure to a traffic flow database. It requires data on emission factors, the composition of the vehicle fleet, vehicle control technologies and the daily traffic flow profile. With these data, it is possible to generate emission estimates per kilometre, link or road as selected by the user. Forecasts can be made by varying input variables. The current methodology allows prediction of five or more pollutant species/classes, limited only by availability of emission factors. The method utilises a commercially available personal computer based spreadsheet. Further coupling of the method to a geographical information system will improve the decision support capability of the method. 相似文献
45.
D. Rayfield J.W.S. Longhurst P.S. Ramsden J.A. Dinsdale R.M. Elliott D.E. Conlan 《The Environmentalist》1998,18(1):3-13
The transport-induced air quality problems of the Greater Manchester region are examined. The problems are defined in terms of economic and social factors leading to the development of a car-based economy. The impacts of transport emissions on the natural and built environment and human health are discussed. The administrative, legislative and pollution control responses to the problem are examined. The nature of future air quality problems will require an integration of traffic management, land use, public transport and pollution control policies if they are to be satisfactorily addressed. A series of policy recommendations towards this end are included. 相似文献
46.
Estimating fugitive bioaerosol releases from static compost windrows: feasibility of a portable wind tunnel approach 总被引:1,自引:0,他引:1
An assessment of the fugitive release of bioaerosols from static compost piles was conducted at a green waste composting facility in South East England; this representing the initial stage of a programme of research into the influence of process parameters on bioaerosol emission flux. Wind tunnel experiments conducted on the surface of static windrows generated specific bioaerosol emission rates (SBER2s) at ground level of between 13 and 22 x 10(3) cfu/m2/s for mesophilic actinomycetes and between 8 and 11 x 10(3)cfu/m2/s for Aspergillus fumigatus. Air dispersion modelling of these emissions using the SCREEN3 air dispersion model in area source term mode was used to generate source depletion curves downwind of the facility for comparative purposes. 相似文献
47.
Paul Dorfman Clare Beattie Frank Burnet David Gibbs James Longhurst Emma Weitkamp 《Local Environment》2013,18(4):399-419
Abstract There exists a clear imperative across the EU and within the UK towards the enhanced integration of community knowledge in environmental and health decision-making processes. The underlying social force that underpins this dynamic is the drive for a more accountable, transparent and publicly acceptable decision-making arena. However, relatively little research has been undertaken on the evaluation of local air quality management consultation in particular. In this context, the paper presents an evaluation of evidence resulting from questionnaire survey and case study research undertaken in the first round of the statutory process of local air quality management (LAQM), in which local authorities are required to consult on their air quality findings and intentions. We suggest that local authority perceptions of the relative abilities of differing stakeholders' grasp of air quality science, the process that translates that science into policy, and the institutional and organizational status of stakeholders (i.e. whether they are statutory or non-statutory stakeholders) may tend to transitively determine the choice of consultation methods used, the communication strategies chosen and the relative integration of stakeholder feedback into the LAQM decision-making process. In order to interrogate this potentially problematic chain of risk communication events, a preliminary conceptual model has been developed to enable the interrogation of the pathways through, and the obstacles to, the translation of air quality knowledge. The task is to unveil the sequential chains of association that comprise the LAQM risk communication process. 相似文献
48.
Dispersion of odour: a case study with a municipal solid waste landfill site in North London,United Kingdom 总被引:2,自引:0,他引:2
Municipal solid waste (MSW) landfills are a potential source of offensive odours that can create annoyance within communities. Dispersion modelling was used to quantify the potential odour strength causing an impact on the community around a particular MSW landfill site north of the London area in the United Kingdom. The case studies were completed with the short-term mode of COMPLEX-I, software developed by the US-EPA. The year 1998 was chosen as a source of baseline data. It was observed that by 2004, when the landfill will progress towards the west and a big band of the area towards the north would be partly/fully restored, the maximum contribution of the new sources giving higher odour concentrations would be in the southwesterly regions away from the landfill. Concentrations as high as 25.0 ou(E)/m(3) were observed with 3 min averaging time in the southwesterly areas as compared to concentrations of 20.0 ou(E)/m(3) at 10 min averaging times. However, the percentage frequency of such critical events occurring would be low. All other surrounding farms and small villages would be exposed to the concentration of 3.0 ou(E)/m(3) on certain occasions. In the year 2008, the majority of the filling fronts would be filled with wastes with no contributions from the active and operational cells. The maximum odour concentration around the landfill site for 1 h averaging time would be approximately 3 ou(E)/m(3) about 1.0 km north and 500 m west of the landfill site. For 3 min averaging time, the stretch of 5 ou(E)/m(3) band would be up to 2.5 km towards the north of the landfill site. It is argued that further analysis of the model calculations considering effects of wind direction, frequency of wind direction, stability of the atmosphere, selected odour threshold, integration time of the model, etc. would form a basis for calculating the separation distances of the landfill site from the surrounding community. 相似文献
49.
Mélanie Séverin Costas A. Velis Phil J. Longhurst Simon J.T. Pollard 《Waste management (New York, N.Y.)》2010,30(7):1171-1182
The carbon emissions trading market has created a need for standard methods for the determination of biogenic content (χB) in solid recovered fuels (SRF). We compare the manual sorting (MSM) and selective dissolution methods (SDM), as amended by recent research, for a range of process streams from a mechanical–biological treatment (MBT) plant. The two methods provide statistically different biogenic content values, as expressed on a dry mass basis, uncorrected for ash content. However, they correlate well (r2 > 0.9) and the relative difference between them was <5% for χB between 21% w/wd and 72% w/wd (uncorrected for ash content). This range includes the average SRF biogenic content of ca. 68% w/wd. Methodological improvements are discussed in light of recent studies. The repeatability of the SDM is characterised by relative standard deviations on triplicates of <2.5% for the studied population. 相似文献
50.
A. Garg R. Smith D. Hill P.J. Longhurst S.J.T. Pollard N.J. Simms 《Waste management (New York, N.Y.)》2009,29(8):2289-2297
This paper reports an integrated appraisal of options for utilising solid recovered fuels (SRF) (derived from municipal solid waste, MSW) in energy intensive industries within the United Kingdom (UK). Four potential co-combustion scenarios have been identified following discussions with industry stakeholders. These scenarios have been evaluated using (a) an existing energy and mass flow framework model, (b) a semi-quantitative risk analysis, (c) an environmental assessment and (d) a financial assessment. A summary of results from these evaluations for the four different scenarios is presented. For the given ranges of assumptions; SRF co-combustion with coal in cement kilns was found to be the optimal scenario followed by co-combustion of SRF in coal-fired power plants. The biogenic fraction in SRF (ca. 70%) reduces greenhouse gas (GHG) emissions significantly (~2500 g CO2 eqvt./kg DS SRF in co-fired cement kilns and ~1500 g CO2 eqvt./kg DS SRF in co-fired power plants). Potential reductions in electricity or heat production occurred through using a lower calorific value (CV) fuel. This could be compensated for by savings in fuel costs (from SRF having a gate fee) and grants aimed at reducing GHG emission to encourage the use of fuels with high biomass fractions. Total revenues generated from coal-fired power plants appear to be the highest (£95/t SRF) from the four scenarios. However overall, cement kilns appear to be the best option due to the low technological risks, environmental emissions and fuel cost. Additionally, cement kiln operators have good experience of handling waste derived fuels. The scenarios involving co-combustion of SRF with MSW and biomass were less favourable due to higher environmental risks and technical issues. 相似文献