81 research outputs found

    Valuing air transportation and sustainability from a public perspective: Evidence from the United Kingdom and the United States

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    AbstractOne issue with air transportation and sustainability is that although aviation could be considered economically and socially sustainable, it does generate environmental concerns. The aim of this paper is to examine public attitudes towards air transportation and sustainability, in order to determine how individuals value sustainability in relation to air travel. This empirical paper is based on two large survey data sets, one from the East Midlands region of the United Kingdom and one from the East Coast of the United States. After an initial review of relevant literature and policy, a range of attitudinal statements from the surveys are examined. These statements cover the economic and social benefits of air transportation, the contribution of air travel to climate change, and environmental responses. The analysis demonstrates the high value individuals put on the economic and social sustainability aspects of air transportation. Although many acknowledge aviation's contribution to climate change, few are willing to respond in terms of paying more to offset the negative environmental effects of aviation or to fly less. When analysing the value of sustainability by population sub-group, flight frequency and gender are highlighted as key variables in terms of environmental attitudes

    Exploring the planetary boundary for chemical pollution

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    Protecting water quality in urban estuaries: Australian case studies

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    Estuaries provide important environmental, social, cultural, and economic services. The provision of these services is often negatively impacted by urban development within the catchment and along shorelines, most notably through habitat loss and alteration of hydrological and sedimentation regimes influencing system structure and function. Mitigating the effects of urban development on estuaries provides a great challenge for managers, particularly when considering the diversity of estuaries and catchment characteristics. The management of urban stormwater is a challenging issue where no single solution is apparent but requires varied approaches. Using three distinctly different Australian estuaries, this chapter presents an account of combined management plans, restoration, monitoring/research, and education efforts used in addressing and managing the issues of urban pressures on water quality surrounding Port Jackson, Gold Coast Broadwater, and the Ross River estuary. Although the case study estuaries significantly vary according to rainfall seasonality and intensity, population density, and catchment size, a survey of implemented protection and management initiatives, illustrates a consistent theme of management practices across the case studies: (1) catchment/estuary management policies and plans including stormwater quality improvement device initiative practices; (2) low impact and purpose-designed development options including water-sensitive urban design options, including specific design adaptations required for effective operation in varying climatic zones and catchment conditions; (3) restoration programs; (4) water quality monitoring programs; (5) research activities; and (6) stakeholder and community education campaigns. The best management outcomes for urbanized estuaries require implementation of catchment-based management plans that are supported by clear objectives regarding ecosystem services and regional challenges

    Towards sustainability assessment follow-up

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    This paper conceptualises what sustainability assessment follow-up might entail for three models of sustainability assessment: EIA-driven integrated assessment, objectives-led integrated assessment and the contribution to sustainability model. The first two are characterised by proponent monitoring and evaluation of individual impacts and indicators while the latter takes a holistic view based around focused sustainability criteria relevant to the context. The implications of three sustainability challenges on follow-up are also examined: contested time horizons and value changes, trade-offs, and interdisciplinarity. We conclude that in order to meet these challenges some form of adaptive follow-up is necessary and that the contribution to sustainability approach is the best approach
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