Research Topics
| H Scott MatthewsSummaryAffiliation: Carnegie Mellon University Country: USA Publications
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Publications
Life cycle impact assessment: a challenge for risk analystsH Scott Matthews
Carnegie Mellon University, Pittsburgh, PA 15213, USA
Risk Anal 22:853-60. 2002..Providing valuable information to decisionmakers requires advances in both LCA and risk analysis. These two disciplines should be closely linked, since each has much to contribute to the other...- The importance of carbon footprint estimation boundariesH Scott Matthews
Carnegie Mellon University, USA
Environ Sci Technol 42:5839-42. 2008..Such information can help firms pursue carbon and environmental emission mitigation projects not only within their own plants but also across their supply chain... 
Uncertainty analysis of life cycle greenhouse gas emissions from petroleum-based fuels and impacts on low carbon fuel policiesAranya Venkatesh
Civil and Environmental Engineering Department, and Tepper School of Business, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213 3890, USA
Environ Sci Technol 45:125-31. 2011....- State-level infrastructure and economic effects of switchgrass cofiring with coal in existing power plants for carbon mitigationWilliam R Morrow
Department of Civil and Environmental Engineering, Tepper School of Business, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
Environ Sci Technol 41:6657-62. 2007..S. regions. A national level analysis could suggest a lowest-cost cofiring region. This paper presents techniques and assumptions that can simplify biomass energy policy analysis with little effect on analysis conclusions... - Policy implications of uncertainty in modeled life-cycle greenhouse gas emissions of biofuelsKimberley A Mullins
Department of Civil and Environmental Engineering, and Tepper School of Business, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213, USA
Environ Sci Technol 45:132-8. 2011..g., increased emissions), and a calculated risk of failure due to uncertainty can be used to inform more appropriate reduction targets in future biofuel policies... - Categorization of Scope 3 emissions for streamlined enterprise carbon footprintingY Anny Huang
Department of Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
Environ Sci Technol 43:8509-15. 2009.... - Implications of near-term coal power plant retirement for SO2 and NOX and life cycle GHG emissionsAranya Venkatesh
Civil and Environmental Engineering Department, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213 3890, United States
Environ Sci Technol 46:9838-45. 2012.... - Historical carbon footprinting and implications for sustainability planning: a case study of the Pittsburgh regionRachel Hoesly
Department of Civil and Environmental Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
Environ Sci Technol 46:4283-90. 2012..Our results suggest additional resources and improved planning paradigms are likely necessary to achieve significant emissions reductions, especially for areas where emissions are still increasing... - Relevance of emissions timing in biofuel greenhouse gases and climate impactsStefan Schwietzke
Department of Engineering and Public Policy, Carnegie Mellon University, Baker Hall 129, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213, United States
Environ Sci Technol 45:8197-203. 2011..The added uncertainty of potentially employing more complex emissions metrics is yet to be quantified... - Uncertainty in life cycle greenhouse gas emissions from United States natural gas end-uses and its effects on policyAranya Venkatesh
Civil and Environmental Engineering Department, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213 3890, United States
Environ Sci Technol 45:8182-9. 2011..This likelihood of an increase in GHG emissions is indicative of the potential failure of a climate policy targeting reductions in GHG emissions... - Comparative analysis of the production costs and life-cycle GHG emissions of FT liquid fuels from coal and natural gasPaulina Jaramillo
Civil and Environmental Engineering Department, Tepper School of Business, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213 3890, USA
Environ Sci Technol 42:7559-65. 2008..If the U.S. has a goal of increasing its energy security, and at the same time significantly reducing its GHG emissions, neither CTL nor GTL consumption seem a reasonable path to follow... - Economic sources and spatial distribution of airborne chromium risks in the U.SAmanda P Rehr
Department of Engineering and Public Policy, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
Environ Sci Technol 44:2131-7. 2010.... - Economic and environmental transportation effects of large-scale ethanol production and distribution in the United StatesHeather L Wakeley
Department of Civil and Environmental Engineering, and Tepper School of Business, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
Environ Sci Technol 43:2228-33. 2009..To reduce costs, we recommend regional concentration of E85 blends for future ethanol production and use... - Comparative life-cycle air emissions of coal, domestic natural gas, LNG, and SNG for electricity generationPaulina Jaramillo
Civil and Environmental Engineering Department, Tepper School of Business, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213 3890, USA
Environ Sci Technol 41:6290-6. 2007..For SOx and NOx we find there are significant emissions in the upstream stages of the NG/ LNG life-cycles, which contribute to a larger range in SOx and NOx emissions for NG/LNG than for coal and SNG... - National-level infrastructure and economic effects of switchgrass cofiring with coal in existing power plants for carbon mitigationWilliam R Morrow
Department of Civil and Environmental Engineering, Tepper School of Business, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
Environ Sci Technol 42:3501-7. 2008..We explain the variation in transportation expenses and highlight regional cost of mitigation variations as transportation overwhelms other cofiring costs... - Potentials for sustainable transportation in cities to alleviate climate change impactsYeganeh Mashayekh
Carnegie Mellon University, Pittsburgh, Pennsylvania, United States
Environ Sci Technol 46:2529-37. 2012..Agencies need to broaden their agendas to incorporate such combination in their planning... - Impact of biofuel crop production on the formation of hypoxia in the Gulf of MexicoChristine Costello
Department of Civil and Environmental Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
Environ Sci Technol 43:7985-91. 2009.... - Inventory development and input-output model of U.S. land use: relating land in production to consumptionChristine Costello
Department of Civil and Environmental Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
Environ Sci Technol 45:4937-43. 2011..The quantitative land use results of this analysis could be integrated with qualitative metrics such as weighting schemes designed to reflect environmental impact or life cycle impact assessment methods... - Modeling switchgrass derived cellulosic ethanol distribution in the United StatesWilliam R Morrow
Department of Civil and Environmental Engineering, Tepper School of Business, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
Environ Sci Technol 40:2877-86. 2006..In addition to these results, national and regional policy challenges on how to pay for and optimize a new fuel and distribution infrastructure in the United States are discussed... - Embodied environmental emissions in U.S. international trade, 1997-2004Christopher L Weber
Department of Civil and Environmental Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
Environ Sci Technol 41:4875-81. 2007..S. imports has grown from between 0.5 and 0.8 Gt of CO2 in 1997 to between 0.8 and 1.8 Gt of CO2 in 2004, representing between 9-14% and 13-30% of U.S. (2-4% to 3-7% of global) CO2 emissions in 1997 and 2004, respectively... - Primary and embedded steel imports to the U.S.: implications for the design of border tax adjustmentsCatherine F Izard
Department of Civil and Environmental Engineering, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213, USA
Environ Sci Technol 44:6563-9. 2010..However, the amount of steel imported to the U.S. is negligible (5%) compared to foreign production in BTA-eligible countries and is unlikely to motivate affected countries to impose an emissions reduction policy... - Food-miles and the relative climate impacts of food choices in the United StatesChristopher L Weber
Department of Civil and Environmental Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
Environ Sci Technol 42:3508-13. 2008..quot; Shifting less than one day per week's worth of calories from red meat and dairy products to chicken, fish, eggs, or a vegetable-based diet achieves more GHG reduction than buying all locally sourced food... - A mixed-unit input-output model for environmental life-cycle assessment and material flow analysisTroy Hawkins
Green Design Institute, Department of Civil and Environmental Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
Environ Sci Technol 41:1024-31. 2007..Examples of these models are provided along with a discussion of uncertainty and extensions to these models... - Landfill-gas-to-Energy projects: analysis of net private and social benefitsPaulina Jaramillo
Department of Civil and Environmental Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
Environ Sci Technol 39:7365-73. 2005..015/kWh. The method developed for this paper can be applied to other renewable energy technologies, to show their relative social costs and benefits... - Adding sustainability to the engineer's toolbox: a challenge for engineering educatorsCliff I Davidson
Carnegie Mellon University, USA
Environ Sci Technol 41:4847-50. 2007 - Environmental effects of interstate power trading on electricity consumption mixesJoe Marriott
Department of Civil and Environmental Engineering, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213, USA
Environ Sci Technol 39:8584-90. 2005..This result does validate the average mix assumption made in many environmental assessments, but it is important to accurately quantify the generation methods for electricity used when doing life-cycle analyses... - Life cycle benefits of using nanotechnology to stabilize platinum-group metal particles in automotive catalystsShannon M Lloyd
Department of Engineering and Public Policy, Tepper School of Business, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
Environ Sci Technol 39:1384-92. 2005..Finally, we employ economic input-output and process-based life cycle assessment models to estimate the direct and life cycle benefits from reducing PGM mining and refining...