32 research outputs found

    Sustainable services, electronic education and the rebound effect

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    This paper challenges the belief that improving the efficiency of resource use will necessarily lead to lower consumption. Findings are presented of a study by the UK Open University of the environmental impacts of three higher education (HE) delivery systems. Initial analysis indicates that the distance-taught courses involve 90% less energy and CO2 emissions than the campus courses. Electronic delivery does not result in a reduction in energy or CO2 emissions compared to print-based distance learning, due to rebound effects, e.g. in use of computers and home heating. The paper concludes that to limit consumption, we need to deal with rebound effects and practice ‘sustainable consumption’

    Technological innovation, energy efficient design and the rebound effect

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    Does technological innovation to improve the efficiency of energy-using products and systems lead to lower energy consumption and hence reduced environmental impacts? The answer given by economists since the mid nineteenth century is ‘no’. This is because there are direct ‘rebound’ or ‘take-back’ effects caused by energy efficiency improvements that lower the implicit price of energy, often leading to greater consumption. Also there are secondary or indirect effects of reducing energy costs through efficiency in that consumers may buy more products and/or choose, larger, more powerful, more feature laden models. Thus just promoting technical innovation to increase energy efficiency is unlikely to lead to reduced energy consumption and emissions. Other policies such as taxation or regulation are required. As well as setting the theoretical arguments concerning innovation and energy efficiency the paper outlines results from an empirical research project, ‘People-centred eco-design’, which seeks to identify the key influencing factors on consumer adoption and effective use of energy efficient products and systems. In particular it aims to identify how consumers may avoid (or mitigate) rebound effects and how manufacturers, service providers and government might design and promote such products to achieve their optimal environmental benefits

    Improving the energy performance of UK households: Results from surveys of consumer adoption and use of low- and zero carbon technologies

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    This paper presents results from a UK Open University project which surveyed consumers' reasons for adoption, and non-adoption, of energy efficiency measures and renewable energy systems–collectively called low- and zero-carbon technologies–and their experiences of using these technologies. Data were gathered during 2006 via an online questionnaire with nearly 400 responses, plus 111 in-depth telephone interviews. The respondents were mainly environmentally concerned, 'green' consumers and therefore these are purposive rather than representative surveys. The paper outlines results for four energy efficiency measures (loft insulation, condensing boilers, heating controls and energy-efficient lighting) and four household renewables (solar thermal water heating, solar photovoltaics, micro-wind turbines and wood-burning stoves). These green consumers typically adopted these technologies to save energy, money and/or the environment, which many considered they achieved despite rebound effects. The reasons for considering but rejecting these technologies include the familiar price barriers, but there were also other obstacles that varied according to the technology concerned. Nearly a third of the surveyed consumers had adopted household renewables, over half of which were wood stoves and 10% solar thermal water heating systems. Most adopters of renewables had previously installed several energy efficiency measures, but only a fifth of those who seriously considered renewables actually installed a system. This suggests sell energy efficiency first, then renewables. There seems to be considerable interest in household renewables in the UK, especially among older, middle-class green consumers, but so far only relatively few pioneers have managed to overcome the barriers to adoption

    Swept Under the Rug? A Historiography of Gender and Black Colleges

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    National building stocks: addressing energy consumption or decarbonization?

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    The Building Research & Information special issue titled 'Climate Change: National Building Stocks' (2007) focused attention on the potential that the national building stock has in reducing CO2 emissions. However, can this potential be realized? To do so requires faith in energy models that suggest that demolition, new build, and the refurbishing of existing homes with insulation measures can deliver massive energy savings by 2050. But why, in the future, can there be increased efficiency and reduced consumption, when this has never occurred in the past? It is argued that the central weakness in the special issue papers is the neglect of the relationship between energy consumption and energy efficiency, and of the 'rebound effect'. The primary goal, should after all, be to reduce carbon emissions rather than energy use. Hence, emphasis should be placed on decarbonizing the centralized energy-supply systems. However, there will be a role here for micro-generation, building on the favourable image that energy efficiency has amongst the public. In 2050, we may be a low-carbon society, but I doubt we will be a low-energy one
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