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Metal oxide catalysts for green applicationsPopa, Tiberiu. January 2009 (has links)
Thesis (Ph.D.)--University of Wyoming, 2009. / Title from PDF title page (viewed on July 2, 2010). Includes bibliographical references.
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Energy substitution and options for carbon dioxide mitigation in Nigeria an economic approach /Adeyemo, Oyenike Olubukanla. January 2007 (has links)
Thesis (PhD(Agricultural Economics, Extension and Rural Development))--University of Pretoria, 2007. / Includes bibliographical references.
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The impact of physical planning policy on household energy use and greenhouse emissions.Rickwood, Peter January 2009 (has links)
This thesis investigates the impact of physical planning policy on combined transport and dwelling-related energy use by households. Separate analyses and reviews are conducted into dwelling-related and transport-related energy use by households, before a model is developed to investigate the city-wide implications of different land-use scenarios in Sydney, Australia. The analysis of household energy use in Chapter 3 suggests that medium density housing (i.e. lose-rise apartments, townhouses, and terraces) is likely to result in the lowest per-capita energy use, while also allowing for sufficient densities to make frequent public transport service viable. The analysis of transport energy in Chapter 4 confirms that increasing urban density is associated with decreased car ownership and use, independent of other factors. However, land use changes alone are likely to result in modest changes to travel behaviour. The results of the scenario modelling in Chapters 7-9 support the view that changes to land use alone can reduce household energy consumption, but the changes, even over a long time period (25 years) are small (~0-10%) for all but the most extreme land-use policies. Instead, a coordinated (land-use/transport and other policy levers) approach is much more effective. The results confirm that it is transport energy that is most sensitive to planning policy, but that a combined consideration of dwelling-related and transport-related energy use is still useful. The micro-simulation model developed to assess the impact of different land-use planning scenarios allows the establishment of a lower-bound estimate of the effect that housing policy has on household energy use, assuming ‘business as usual’ transport policy, household behaviour, and technology.
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Economics of greenhouse gas mitigation scenarios in beef production2014 September 1900 (has links)
Animal agriculture plays a vital role in the provision of food for the world population; however, in the wake of global warming and greenhouse gas (GHG) emissions, the industry has been under scrutiny as one of the net emitters causing global warming. The same scrutiny applies to beef production in western Canada. The objective of this study is to evaluate the economic impact of GHG mitigation practices (GHGMP) for beef operations, and in the process identify economic and environmental sustainable scenarios. This study was an extension to a study by Beauchemin et al (2011) who studied the mitigation of GHG emissions from beef production in western Canada
A beef simulation model was developed to measure the impacts of adopting GHGMPs on the profitability of a mixed farm in Vulcan County, Southern Alberta. Feed for the herd was produced on the farm, and calves were born and finished on the farm. Whole farm gross margin was used as a profitability measure of the farm over a period of 9 years, which is a full beef production cycle. Eleven GHGMPs were examined and compared to the baseline scenario. These scenarios were adopted from Beauchemin et al (2011), and included dietary modifications (change in use of forages, use of canola seed, and corn distillers grains, and improvement in quality of forage), and improvement in animal husbandry (increased weaning rates, and increased longevity of breeding stock).
Simulation results showed a discounted whole farm gross margin of $11.38 per acre for the baseline scenario. Feed costs accounted for 47.1 percent of total costs of beef production. The change in whole farm gross margin per acre from implementation of different GHGMPs ranged from an increase of 4 percent to a decrease of 5 percent. Six scenarios were identified as ‘win-win’ scenarios as they improved both environment and economics of the farm. The profit of these scenarios ranged from $238.11 to $30.31 per tonne of GHG reductions expressed in carbon dioxide equivalent). The loss from the other scenarios capable of reducing GHG emissions range from $92.06 to $582.46 per tonne GHG reduced. Based on these results, it was concluded that western Canadian beef producers can adopt sustainable GHGMPs without substantial changing the structure of their operations. Scenarios that improved both the environment and the economics of the farm were: Scenario 7: use of corn distillers dried grain (CDDG) in finishing ration; Scenario 4: use of canola seed in finishing ration; Scenario 8: use of CDDG in breeding stock ration; Scenario 10: increased calve weaning rate (85% to 90%); Scenario 5: use of canola seed in breeding stock ration; and Scenario 9 : improved hay for breeding stock.
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The impact of physical planning policy on household energy use and greenhouse emissions.Rickwood, Peter January 2009 (has links)
This thesis investigates the impact of physical planning policy on combined transport and dwelling-related energy use by households. Separate analyses and reviews are conducted into dwelling-related and transport-related energy use by households, before a model is developed to investigate the city-wide implications of different land-use scenarios in Sydney, Australia. The analysis of household energy use in Chapter 3 suggests that medium density housing (i.e. lose-rise apartments, townhouses, and terraces) is likely to result in the lowest per-capita energy use, while also allowing for sufficient densities to make frequent public transport service viable. The analysis of transport energy in Chapter 4 confirms that increasing urban density is associated with decreased car ownership and use, independent of other factors. However, land use changes alone are likely to result in modest changes to travel behaviour. The results of the scenario modelling in Chapters 7-9 support the view that changes to land use alone can reduce household energy consumption, but the changes, even over a long time period (25 years) are small (~0-10%) for all but the most extreme land-use policies. Instead, a coordinated (land-use/transport and other policy levers) approach is much more effective. The results confirm that it is transport energy that is most sensitive to planning policy, but that a combined consideration of dwelling-related and transport-related energy use is still useful. The micro-simulation model developed to assess the impact of different land-use planning scenarios allows the establishment of a lower-bound estimate of the effect that housing policy has on household energy use, assuming ‘business as usual’ transport policy, household behaviour, and technology.
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The impact of physical planning policy on household energy use and greenhouse emissions.Rickwood, Peter January 2009 (has links)
This thesis investigates the impact of physical planning policy on combined transport and dwelling-related energy use by households. Separate analyses and reviews are conducted into dwelling-related and transport-related energy use by households, before a model is developed to investigate the city-wide implications of different land-use scenarios in Sydney, Australia. The analysis of household energy use in Chapter 3 suggests that medium density housing (i.e. lose-rise apartments, townhouses, and terraces) is likely to result in the lowest per-capita energy use, while also allowing for sufficient densities to make frequent public transport service viable. The analysis of transport energy in Chapter 4 confirms that increasing urban density is associated with decreased car ownership and use, independent of other factors. However, land use changes alone are likely to result in modest changes to travel behaviour. The results of the scenario modelling in Chapters 7-9 support the view that changes to land use alone can reduce household energy consumption, but the changes, even over a long time period (25 years) are small (~0-10%) for all but the most extreme land-use policies. Instead, a coordinated (land-use/transport and other policy levers) approach is much more effective. The results confirm that it is transport energy that is most sensitive to planning policy, but that a combined consideration of dwelling-related and transport-related energy use is still useful. The micro-simulation model developed to assess the impact of different land-use planning scenarios allows the establishment of a lower-bound estimate of the effect that housing policy has on household energy use, assuming ‘business as usual’ transport policy, household behaviour, and technology.
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U.S. climate policy and technology : the Bush administration and American conceptions of environmental challenges /Schniering, Peter. January 2008 (has links)
Diss--Bonn,Univ., 2007.
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The politics of counting carbon lessons from the California Climate Action Registry /Mazurek, Jan, January 2008 (has links)
Thesis (Ph. D.)--UCLA, 2008. / Vita. Includes bibliographical references (leaves 197-198).
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Agroecosystem management effects on carbon and nitrogen cycling across a coastal plain catenaGacengo, Catherine N. Wood, C. W. Shaw, Joey N., January 2008 (has links) (PDF)
Thesis (Ph. D.)--Auburn University, 2008. / Abstract. Includes bibliographical references (p. 126-136).
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Climate change and transportation challenges and opportunities /Schmidt, Nicholas Andrew January 2008 (has links)
Thesis (M. S.)--Civil and Environmental Engineering, Georgia Institute of Technology, 2009. / Committee Chair: Meyer, Michael; Committee Member: Garrow, Laurie; Committee Member: Guensler, Randall
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