16 resultados para Environmental economics

em Deakin Research Online - Australia


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Attaining sustainability will require concerted interactive efforts among disciplines, many of which have not yet recognized, and internalized, the relevance of environmental issues to their main intellectual discourse. The inability of key scientific disciplines to engage interactively is an obstacle to the actual attainment of sustainability. For example, in the list of Millennium Development Coals from the United Nations World Summit on Sustainable Development, Johannesburg, 2002, the seventh of the eight goals, to "ensure environmental sustainability," is presented separately from the parallel goals of reducing fertility and poverty, improving gains in equity, improving material conditions, and enhancing population health. A more integrated and consilient approach to sustainability is urgently needed.

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Radical changes in the biosphere and human interaction with the environment are increasingly impacting on the health of populations across the world. Diseases are crossing the species barrier, and spreading rapidly through globalized transport systems. From new patterns of cancer to the threat of global pandemics, it is imperative that public health practitioners acknowledge the interdependence between the sustainability of the environment and the sustainability of the human species.* Why are issues of global and local sustainability of increasing importance to the public's health?* Why do issues of sustainability require new practices within the professions of public health?* How can future and current public health practitioners develop those new practices?Drawing on scientific evidence of global and local environmental changes, Sustainability and Health offers a thorough background and practical solutions to the overlapping issues in environment and health. It examines potential and existing responses to global and local environment and health issues, involving individuals, community, industry and government. The authors introduce a range of emerging conceptual frameworks and theoretical perspectives, link IT and epidemiology and explain how scoping can link program design, delivery, data collection and evaluation in projects from their very beginning. Public health practitioners need to be able to manage health issues that cut across environmental, economic and social systems and to develop the capacity for leadership in facilitating change. Incorporating learning activities, readings, international case studies and an open learning approach, this is a valuable resource for students of public and environmental health, as well as medical, environmental and health science professionals.

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This Centre for Policy Development briefing paper looks at the issues raised in the Green Economy Report from an Australian perspective and provides a primer to the challenges involved in transforming our economy to operate within environmental limits. It also examines the opportunities of embracing sustainable economic policy solutions in four areas: water, energy, cities and urban transport, and waste management and recycling.

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This study examined adaptation decisions of village tank farmers in Sri Lanka, focusing on how commonly held beliefs on local rainfall influence their adaptation choices. Findings suggest that farmers’ have shared beliefs consistent with local pattern of rainfall variability that help to explain short-, medium- and long-term decisions of adaptation.

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Purpose – The purpose of this paper is to examine the role of natural resources accounting in sustainable development. Natural resource accounting is important because the welfare of a nation measured in terms of gross domestic product (GDP) has several weaknesses. Design/methodology/approach – This paper achieves this objective by identifying the present status, the constraints and the challenges for the economics and accounting professions. Findings – The main weakness of GDP as a measure of development is that it does not take into account damages to environmental resources. However, the improvement of the concept to include environmental resource use is made difficult because of the difficulties of measuring environmental damage. The challenge to the economics and accounting profession is to ensure interdisciplinary collaboration, development of a framework to explicitly include the environment, development of credible valuation procedures for the environment, and inclusion of the various ethical positions advanced by various groups on the value of the environment. Practical implications – Some headway has been made on these issues during the last decade but a major challenge still lies ahead in further improving these approaches so that sustainable development becomes an achievable goal. Originality/value – This paper brings together diverse views and fusing them together providing a future path for research in environmental accounting to achieve sustainable development.

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This thesis contends that government focus on policy implicitly defines community education as a means of overcoming barriers to government-initiated change, rather than as an input to governmental decision-making. The role of education is thus viewed as instrumentalist rather than as dialectical in nature. I argue that this role has been reinforced and driven by economic rationalism, as a mechanism related to scientific theory and practice. The thesis addresses the role of government in non-institutional community-based environmental education. Of interest is environmental education under the dominance of economic rationalism and as expressed in government-derived policy, in its own right, and as enacted in two government funded animal management projects. The main body of data, then, includes a review of some contemporary environmental policies and two case studies of 'policy in practice'. Chapter One provides an overview of environmentalism as it has emerged as part of the discourse of Western political systems. Recognised as part of this change is a move to environmentalism embued with the rhetoric of economic theory. The manifestation of this change can be seen in an emphasis on management for the natural environment's use as a resource for humans. Education under this arrangement is valued in terms of its ability to support initiatives that are perceived as economically viable and economically advantageous, maintaining centralised control of decision-making and serving the interests of those who profit from this arrangement. Government-derived environmental policies are presented in Chapter Two. They provide evidence of the conjoining of environment with economic rationalism and the adoption of a particular stance which is both utilitarian and instrumentalist. Emerging from this is an understanding of the limitations placed on environmental debates that do not respond to complex understandings of context and instead support and legitimate centralisation of decision-making and control. Chapter Three presents an argument for an historical approach to environmental education research to accommodate contextual dimensions, as well as scientific, economic and technical dimensions, of the subject under study. An historical approach to research, inclusive of biographical, intergenerational and geographical histories, goes some way to providing an understanding of current individual and collective responses to policy enactment within the two study sites. It also responds to the concealing of history which results from the reduction of environmental debates to economic terms. With this in mind, Chapters Four and Five provide two historical case studies of 'policy in practice'. Chapter Four traces the workings of a rabbit control project in the Sutton Grange district of Victoria and Chapter Five provides an account of a mouse plague project in the Wimmera and Mallee regions of Victoria. The Sutton Grange rabbit project is organised and controlled by district landholders while the Wimmera and Mallee mouse project is organised and controlled by representatives from a scientific organisation and a government agency. Considered in juxtaposition, the two case studies enable an analysis of two somewhat different expressions of the 'role of government'. Chapter Six investigates the competing processes of community participation in governmental decision-making and Australia's system of representative democracy, Despite a call for increased community participation, the majority of policies remain dominated by governmental rhetoric and ideology underpinned by a belief in impartiality. The primacy of economics is considered in terms of government and community interaction, with specific reference to the emergence of particular conceptual constructions, such as cost-benefit analysis, that support this dominance. Of specific importance to this thesis is the argument that economic theory is essentially anthropocentric and individualist and, thus, necessarily marginalises particular conceptions of environment that are non-anthropocentric and non-individualistic. Finally, Chapter Six examines two major interrelated tensions; those of central interests and community interests, and economic rationalism and environmentalist. Chapter Seven looks at examples of theories and practices that fall outside the rationality determined by scientistic knowledge. It is clear from the examination of environmental policy within this thesis that the role ascribed to environmental education is instrumentalist. The function of education is often to support, promote and implement policy and its advocated practices. It is also clear from the examination of policy and advocated processes that policy defines community education as a means of manifesting change as determined by policy, rather than as an input to governmental decision-making. The domination of scientific, economic and technocratic processes (and legitimation of processes) allows only for an instrumentalist approach to education from government. What is encouraged by government through the process of change is continuity rather than reform. It promotes change that will not disrupt the governing hegemony. Particular perspectives and practices, such as a critical approach to education, are omitted or considered only within the unquestioned rationale of the dominant worldview. Chapter Seven focuses on the consequence of government attention to policy which implicitly defines community education as a means of overcoming barriers to change, rather than as an input to governmental decision-making. Finally a list of recommendations is put forward as a starting point to reconstruct community-based environmental education. The role considered is one that responds to, and encourages engagement in, debates which expose disparate views, assumptions and positions. Community ideology must be challenged through the public practices of communication and understanding, decision-making, and action. Intervention is not on a level that encourages a preordinate outcome but, rather, what is encouraged is elaborate consideration of disparate views and rational opinions, and the exposure of assumptions and interests behind ideological positions.

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The objective of this study was to investigate the quantity and quality of voluntary environmental disclosures in the annual reports of firms listed by market capitalisation on the Australian Stock Exchange. The periods examined were those immediately prior and subsequent to the release of the Exposure Draft Coalition for Environmentally Responsible Economics (CERES) Global Reporting Initiatives (GRI) issued in March 1999. Using content analysis to focus on the environmental aspects, the study compared 425 annual reports over a two-year period and 60 environmental reports, in order to explore reporting practices in the periods surrounding this intervention. The results suggest a trend to triple-bottom reporting, and a significant change in the quality and quantity of environmental information, albeit in specific categories.

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Wilderness conservation has a checkered history in Australian politics. Initially, wilderness was protected in national parks, and specific areas or legislation did not exist. In the 1960s, wilderness conservation became an important issue in Australian politics. Pressure from environmental groups and the general public created several conflicts. Several successes were scored by the joint efforts of interest groups, the public, charismatic individuals, the media, and support of governments and politicians. A number of areas were declared wilderness areas and several states now have wilderness protected through legislation. The 1990s have not been as good as the previous decades for wilderness. Large forest areas are still being cleared and bias toward consumptive use of forest by governments is emerging. Clearly, wilderness protection in Australia is intensely political. It is important that interest groups maintain pressure to protect future wilderness. Efforts to obtain national legislation for wilderness and to couch wilderness in terms of other aspects such as biodiversity and ecosystems values may prove necessary.

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This objective of this study was to investigate the quantity and quality of voluntary environmental disclosures in the annual reports of the top 500 firms listed by market capitalisation on the Australian Stock Exchange. The periods examined were those immediately prior and subsequent to the release of the Exposure Draft Coalition for Environmentally Responsible Economics (CERES) Global Reporting Initiatives(GRI) issued in March 1999. Using content analysis to focus on the environmental aspects, and drawing heavily on the research of Gamble et al (1995), the study compared 425 annual reports over a two year period and 60 environmental reports, in order to explore reporting practices in the periods surrounding this intervention. The results suggest a trend to triple bottom reporting, and a significant change in the quality and quantity of environmental information, albeit in specific categories.

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This paper presents a new measure of sustainability within a welfare economics framework. Gross domestic product (GDP) can be used as an indicator of sustainability if the GDP estimates are undertaken within a cost-benefit analysis framework based on social choice perspectives. Sustainability is dependent on a healthy and functioning socio-economic and environmental (SEE) system. Economic development can damage the SEE system through resource degradation, over-harvesting and pollution. This paper addresses the tensions between economic development and sustainability by undertaking a number of SEE-based adjustments to GDP based on social choice perspectives in order to measure sustainability. These adjustments include the environmental and social costs caused by economic development such as water pollution, the depletion of non-renewable resources, and deforestation. Thailand is used as a case study for a 25 year period (1975-1999). The results show a divergence in terms of GDP per capita and the SEE-adjusted GDP per capita figure. The paper concludes that, with increasing environmental and social costs of economic development, pursuing such extreme high growth objectives without due environmental and social considerations can threaten present social welfare and future sustainability. Copyright © 2005 John Wiley & Sons, Ltd and ERP Environment.

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he prominence of global warming as an environmental issue has illustrated the close relationship between natural resources, ecosystems and global security. Whilst environmental decision making often uses techniques such as economic valuation and risk management, the security component is often not considered, at least not from a security analyst’s perspective. Yet environmental security considerations can be global, regional and/or national in impact. Environmental change and policy can effect human health and well being as well as initiating conflict; it can affect the existence of life itself. These aspects are firmly in the domain of the security discipline although the protection of the global ecosystem has not traditionally been considered by those who create security policy. The idea of environmental/ecological security ranges from the eco-centric approach which examines the impact of human activities that impact on the security of the natural systems to the more traditional anthropocentric perspectives that look at varied issues such as conflict caused by natural resource competition and environmental degradation, and the greening of military operations. This paper will assert that the inclusion of the security factor in policy creation and environmental assessments is essential to give richer solutions to these complex socio-economic and ecological situations. Systems theory over the last few decades has emphasised the inclusion of as many perspectives on messy problems as possible to provide truly systemic outcomes. It is posited that the addition of such concepts as threat analyses will produce more effective and sustainable outcomes.

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Goat fibre production is affected by genetic and environmental influences. Environmental influences which are the subject of this review include bio–geophysical factors (photoperiod, climate–herbage system and soil–plant trace nutrient composition), nutrition factors and management factors. Nutrition and management influences discussed include rate of stocking, supplementary feeding of energy and protein, liveweight change, parturition and management during shearing. While experimental data suggest affects of seasonal photoperiod on the growth of mohair and cashmere are large, these results may have confounded changes in temperature with photoperiod. The nutritional variation within and among years is the most important climatic factor influencing mohair and cashmere production and quality. Mohair quality and growth is affected significantly by rate of stocking and during periods of liveweight loss by supplementary feeding of either energy or protein. Strategic use of supplements, methods for rapid introduction of cereal grains, influence of dietary roughage on intake and the economics of supplementary feeding are discussed. Cashmere production of young, low producing goats does not appear to be affected by energy supplementation, but large responses to energy supplementation have been measured in more productive cashmere goat strains. The designs of these cashmere nutrition experiments are reviewed. Evidence for the hypothesis that energy-deprived cashmere goats divert nutrients preferentially to cashmere growth is reviewed. The influence and potential use of liveweight manipulation in affecting mohair and cashmere production and quality are described. Estimates of the energy requirements for the maintenance of fibre goats and the effect of pregnancy and lactation on mohair and cashmere growth are summarised. The effects and importance of management and hygiene during fibre harvesting (shearing) in producing quality fibre is emphasised. The review concludes that it is important to assess the results of scientific experiments for the total environmental content within which they were conducted. The review supports the view that scientific experiments should use control treatments appropriate to the environment under study as well as having controls relevant for other environments. In mediterranean and annual temperate environments, appropriate controls are liveweight loss and liveweight maintenance treatments. Mohair producers must graze goats at moderate rates of stocking to maximise animal welfare, but in so doing, they will produce heavier goats and coarser mohair. In mediterranean and annual temperate environments, seasonal changes in liveweight are large and influence both quality and production of mohair and cashmere. Mohair and cashmere producers can manipulate liveweight by supplementary feeding energy during dry seasons to minimise liveweight loss, but the economics of such feeding needs to be carefully examined. Strategic benefits can be obtained by enhancing the growth of young does prior to mating and for higher producing cashmere goats.

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 This study provides empirical evidence on the role of eco-controls, in terms of both the style of use and bureaucratic stance towards eco-controls, as a critical mediating variable between an organisation’s level of proactive environmental strategy and its environmental and economic performance outcomes.

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There are limitations associated with the application of nonmarket valuation techniques, including choice experiments, in subsistence economies. In part, this is due to the concern that using money as a mode of contribution may not capture the potential contribution of low-income households. To address this limitation, respondents in this study were provided with the option of contributing towards the management of invasive plants in labour terms if they were unwilling to contribute in monetary terms. The results show that the existing practice of using dollar values to estimate willingness to contribute may disproportionately exclude the concerns of some groups within the community. The analysis also indicates that allowing respondents to express their willingness to contribute in labour increases their participation in environmental decision-making processes and hence increases the estimated value of forest ecosystem services. This study contributes to the limited empirical literature on the development of nonmarket valuation surveys, particularly choice experiments, in low-income countries in general and rural areas in particular. © 2014 Australian Agricultural and Resource Economics Society Inc.