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USEEIO: a New and Transparent United States Environmentally Extended Input-Output Model
Yang, Y., W. Ingwersen, T. Hawkins, M. Srocka, AND D. Meyer. USEEIO: a New and Transparent United States Environmentally Extended Input-Output Model. JOURNAL OF CLEANER PRODUCTION. Elsevier Science Ltd, New York, NY, 158:308-318, (2017). https://doi.org/10.1016/j.jclepro.2017.04.150
To describe and provide an example application of a new national life cycle assessment model called USEEIO developed in support of the Sustainable Materials Management program. This model will underlie two major SHC products, the SMM Tool (SHC 3.63) and the Value Chain tool (SHC 1.61), and likely be used to support other products in other national research programs in the future. This information is of interest to Regional and Program Office decision makers, States, and local affected communities.
National-scope environmental life cycle models of goods and services may be used for many purposes, not limited to quantifying impacts of production and consumption of nations, assessing organization-wide impacts, identifying purchasing hot spots, analyzing environmental impacts of policies, and performing streamlined life cycle assessment. USEEIO is a new environmentally extended input-output model of the United States fit for such purposes and other sustainable materials management applications. USEEIO melds data on economic transactions between 389 industry sectors with environmental data for these sectors covering land, water, energy and mineral usage and emissions of greenhouse gases, criteria air pollutants, nutrients and toxics, to build a life cycle model of 385 US goods and services. In comparison with existing US input-output models, USEEIO is more current with most data representing year 2013, more extensive in its coverage of resources and emissions, more deliberate and detailed in its interpretation and combination of data sources, and includes formal data quality evaluation and description. USEEIO was assembled with a new Python module called the IO Model Builder capable of assembling and calculating results of user-defined input-output models and exporting the models into LCA software. The model and data quality evaluation capabilities are demonstrated with an analysis of the environmental performance of an average hospital in the US. All USEEIO files are publicly available bringing a new level of transparency for environmentally extended input-output models.
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