858 resultados para Sustainable development


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An examination of the role of the global justice movement in advancing core elements of the sustainable development agenda.

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A review of the Fourteenth Session of the UN Commission on Sustainable Development, focusing on international energy issues.

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Given the relative lack of research on sustainable development in Northern Ireland, this paper focuses on the tensions between environmental governance and regulation on the one hand, and the post-conflict imperative for Northern Ireland to compete and grow as a regional economy without continued British state subvention and subsidisation. The paper outlines how this trade-off between environment and economy is essentially misplaced. It argues that this trade-off can be avoided if there is a shift in focus from an environment versus the economy policy position to one in which the triple bottom line (social, economic and environmental) of sustainable development becomes the over-arching policy agenda. Sustainable development, unlike either orthodox environmental or economic policy, also connects centrally with the unique post-conflict transformation agenda of Northern Ireland. For example, promoting a human rights civic culture, tackling socioeconomic inequality and social exclusion, and building a shared future based on supporting sustainable communities and an innovative model of a green(ing) economy goes beyond orthodox economic growth. However, it is clear from the Executives Programme for Government, failure to support the creation of an independent Environment Protection Agency, and above all the prioritisation of orthodox economic growth based on foreign direct investment that neither environmental protection nor sustainable development is or will be high on the political or policy agenda in Northern Ireland.

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Over twenty years ago Our Common Future presented a conceptualization and explanation of the concept of sustainable development. Since then numerous alternative definitions of the concept have been offered, of which at least some are exclusive to each other. At the same time, the role of business in the transition to sustainable development has increasingly received attention. Bringing these two trends in sustainable development together, this paper returns to the Brundtland version of the concept to examine to what extent the original principles of sustainable development are still embedded within key business guidelines, namely the UN Global Compact, the OECD Guidelines for Multinational Enterprises, the ICC Business Charter for Sustainable Development, the CAUX Principles, the Global Sullivan Principles and the CERES Principles. The findings suggest that these business guidelines tend to emphasize environmental rather than social aspects of sustainable development, in particular to the detriment of the original Brundtland prioritization of the needs of the poorest. Furthermore, the attention to environmental aspects stresses win-win situations and has a clear managerialist focus; whereas more conceptual environmental issues concerning systems interdependencies, critical thresholds or systemic limits to growth find little attention. The normative codes and principles targeted at the private sector thus not only add another voice to the multiple discourses on sustainable development but also contribute to a reinterpretation of the original agenda set by Brundtland towards conceptualizations of sustainable development around the needs of industrialised rather than developing countries. Copyright 2011 John Wiley & Sons, Ltd and ERP Environment

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The aspiration the spatial planning should act as the main coordinating function for the transition to a sustainable society is grounded on the assumption that it is capable of incorporating both a strong evidence base of environmental accounting for policy, coupled with opportunities for open, deliberative decision-making. While there are a number of increasingly sophisticated methods (such as material flow analysis and ecological footprinting) that can be used to longitudinally determine the impact of policy, there are fewer that can provide a robust spatial assessment of sustainability policy. In this paper, we introduce the Spatial Allocation of Material Flow Analysis (SAMFA) model, which uses the concept of socio-economic metabolism to extrapolate the impact of local consumption patterns that may occur as a result of the local spatial planning process at multiple spatial levels. The initial application the SAMFA model is based on County Kildare in the Republic of Ireland, through spatial temporal simulation and visualisation of construction material flows and associated energy use in the housing sector. Thus, while we focus on an Ireland case study, the model is applicable to spatial planning and sustainability research more generally. Through the development and evaluation of alternative scenarios, the model appears to be successful in its prediction of the cumulative resource and energy impacts arising from consumption and development patterns. This leads to some important insights in relation to the differential spatial distribution of disaggregated allocation of material balance and energy use, for example that rural areas have greater resource accumulation (and are therefore in a sense less sustainable) than urban areas, confirming that rural housing in Ireland is both more material and energy intensive. This therefore has the potential to identify hotspots of higher material and energy use, which can be addressed through targeted planning initiatives or focussed community engagement. Furthermore, due to the ability of the model to allow manipulation of different policy criteria (increased density, urban conservation etc), it can also act as an effective basis for multi-stakeholder engagement.

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This article attempts a broad characterization of environmental education (EE) and education for sustainable development (ESD), and includes a short overview of the history of the field, key debates, the main approaches to ESD and EE, and a look toward the future. However, such a brief account should not be considered to be fully comprehensive, and can only be considered to provide a broad overview of the field from the authors perspectives

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This article takes as its starting point the potentially negative human rights implications that the effects of climate change, disasters and development practices can have on individuals and communities. It argues that key international instruments, including the post-2015 successors to the Kyoto Protocol, Hyogo Framework for Action on disaster risk reduction and the Millennium Development Goals, appear to be moving towards an express acknowledgment of the relevance of international human rights law as an important mechanism to minimise potential harms that may arise. This raises the question as to the appropriate role of the UN human rights monitoring and accountability mechanisms in identifying the relevant rights-holders and duty-bearers. The article therefore provides an examination of the linkages between climate change and international human rights law, as well as discussion of the human rights considerations and accountability mechanisms for disasters and sustainable development. The article concludes by arguing that despite differential understandings between disciplines as to the meaning of key terms such as vulnerability and resilience, international human rights law provides a comprehensive basis for promoting international and national accountability. It follows that a greater level of coordination and coherence between the human rights approaches of the various post-2015 legal and policy frameworks is warranted as a means of promoting the dignity of those most affected by climate change, disasters and developmental activities.

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As zonas costeiras, estuarinas e lagunares so consideradas reas muito produtivas e dotadas de grande biodiversidade sendo, por isso, consideradas de elevado valor ecolgico e econmico. No entanto, nas ltimas dcadas tem vindo a verificar-se um aumento da contaminao destes ecossistemas como resultado de diversas actividades antrpicas. As abordagens actualmente disponveis para avaliao do impacto da poluio em ecossistemas estuarinos e lagunares apresentam diversos tipos de lacunas, pelo que importante desenvolver metodologias mais eficazes com organismos autctones. Neste contexto, o objectivo central desta dissertao consistiu em desenvolver e validar mtodos ecologicamente relevantes para avaliao da contaminao estuarina e dos seus efeitos, utilizando o gbio-comum (Pomatoschistus microps), quer como organismo-teste quer como espcie sentinela, devido importante funo que desempenha nas cadeias trficas de diversos esturios da costa Portuguesa. A Ria de Aveiro foi seleccionada como rea de estudo principalmente pelo facto de possuir zonas com diferentes tipos de contaminao predominante e de haver conhecimento cientfico de base abundante e de elevada qualidade sobre este ecosistema. Na primeira fase do estudo, foram investigados os efeitos agudos de dois hidrocarbonetos aromticos policclicos (HAPs) (benzo[a]pireno e antraceno), de um fuel-leo e de dois metais (cobre e mercrio) em P. microps, utilizando ensaios laboratoriais baseados em biomarcadores e em parmetros comportamentais, os quais foram avaliados utilizando um dispositivo expressamente desenvolvido para o efeito, designado por speed performance device (SPEDE). Como biomarcadores foram utilizados parmetros envolvidos em funes fisiolgicas determinantes para a sobrevivncia e desempenho dos animais (neurotransmisso, obteno de energia, destoxificao e defesas anti-oxidantes), nomeadamente a actividade das enzimas acetilcolinesterase, lactato desidrogenase, CYP1A1, glutationa S-transferases, glutationa reductase, glutationa peroxidase, superxido dismutase, catalase, tendo ainda sido determinados os nveis de peroxidao lipdica como indicador de danos oxidativos. De forma global, os resultados indicaram que os agentes e a mistura testados tm a capacidade de interferir com a funo neurolgica, de alterar as vias utilizadas para obteno de energia celular, induzir as defesas antioxidantes e, no caso do cobre e do mercrio, de causarem peroxidao lipdica. Foram ainda obtidas relaes concentrao-resposta a nvel dos parmetros comportamentais testados, nomeadamente a capacidade de nadar contra a corrente e a distncia percorrida a nadar contra o fluxo de gua, sugerindo que os agentes testados podem, por exemplo, diminuir a capacidade de fuga aos predadores, as probabilidades de captura de presas e o sucesso reprodutivo. Na segunda fase, tendo sido j adaptadas tcnicas para determinao de vrios biomarcadores em P. microps e estudada a sua resposta a dois grupos de poluentes particularmente relevantes em ecossistemas estuarinos e lagunares (metais e HAPs), foi efectuado um estudo de monitorizao utilizando P. microps como bioindicador e que incluiu diversos parmetros ecolgicos e ecotoxicolgicos, nomedamente: 20 parmetros indicativos da qualidade da gua e do sedimento, concentrao de 9 metais em sedimentos e no corpo de P. microps, 8 biomarcadores e 2 ndices de condio na espcie seleccionada. A amostragem foi efectuada em quatro locais da Ria de Aveiro, um considerado como referncia (Barra) e trs com diferentes tipos predominantes de contaminao (Vagueira, Porto de Aveiro e Cais do Bico), sazonalmente, durante um ano. Os resultados obtidos permitiram uma caracterizao ecotoxicolgica dos locais, incluindo informao sobre a qualidade da gua, concentraes de contaminantes ambientais prioritrios nos sedimentos e nos tecidos de P. microps, capacidade desta espcie para bioacumular metais, efeitos exercidos pelas complexas misturas de poluentes presentes em cada uma das zonas de amostragem nesta espcie e possveis consequncias para a populao. A anlise multivariada permitiu analisar de forma integrada todos os resultados, proporcionando informao que no poderia ser obtida analisando os dados de forma compartimentalizada. Em concluso, os resultados obtidos no mbito desta dissertao indicam que P. microps possui caractersticas adequadas para ser utilizado como organismoteste em ensaios laboratoriais (e.g. abundncia, fcil manuteno, permite a determinao de diferentes tipos de critrios de efeito utilizando um nmero relativamente reduzido de animais, entre outras) e como organismo sentinela em estudos de monitorizao da poluio e da qualidade ambiental, estando portanto de acordo com estudos de menor dimenso previamente efectuados. O trabalho desenvolvido permitiu ainda adaptar a P. microps diversas tcnicas bioqumicas vulgarmente utilizadas como biomarcadores em Ecotoxicologia e valid-las quer no laboratrio quer em cenrios reais; desenvolver um novo bioensaio, utilizando um dispositivo de teste especialmente concebido para peixes epibentnicos baseado na performance natatria de uma espcie autctone e em biomarcadores; relacionar os efeitos a nvel bioqumico com parmetros comportamentais que ao serem afectados podem reduzir de forma drstica e diversificada (e.g. aumento da mortalidade, diminuio do sucesso reprodutivo, reduo do crescimento) a contribuio individual para a populao. Finalmente, foi validada uma abordagem multidisciplinar, combinando metodologias ecolgicas, ecotoxicolgicas e qumicas que, quando considerada de forma integrada utilizando anlises de estatstica multivariada, fornece informao cientfica da maior relevncia susceptvel de ser utilizada como suporte a medidas de conservao e gesto em esturios e sistemas lagunares.

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The main goal of this thesis is to analyse tourism as a contributor to sustainable development, from a supply and demand perspective, in Timor-Leste, a destination not only young but also framed in an early stage of touristic development. From the supply side, studies 1 and 2 present a literature review on the concept of sustainable development, in small islands destinations, its weaknesses and vulnerabilities, and whose attractiveness lies in an integrated set of natural resources (attractive beaches, biodiversity, the coral triangle, a rich fauna and flora), its geographic location, tropical climate, socio cultural tradition and a Luso-Timorense cultural mix, that can meet the needs of important segments of the tourist demand. In these studies, the focus is on the residents attitudes in relation to sustainable development and, in particular, on the perceptions of local leaders about the importance of the operationalization of the concept. As Timor-Leste is a young destination, it is travel industry is still faced with several problems in order to be able to satisfy the demand and to meet the tourists motivations, preferences and requirements. In this perspective, the study 3 examines diaspora tourism, while a niche market, allowing for not only the entry of Timor-Leste in the international tourism market, but also an articulation between the people of Timor-Leste in the diasporas and the development of sustainable tourism . In general, the results show that the development of sustainable tourism cannot be successfully implemented without the involvement of all stakeholders such as residents, public sector (local government, policy makers, planners), private sector (tourism operators), and non-governmental organizations (NGOs) that include civil society, religious institutions, the academic community (the supply side), and Timorese diasporas tourists as consumers (the demand side).