Approach for integrated evaluation of urban environment
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概要
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Necessity of integrated evaluation with holistic view of urban environment has been increased, but such integration still has difficulty. Trade off between quality of life and environmental loadings and that between different aspects of environmental loading need to be evaluated. Utilization of life cycle assessment (LCA), evaluation by monetary value and their combination are promising tools. Inventory analysis of LCA can compare the trade off of same environmental aspect. LCA has to solve the problem of uncertainty in impact analysis and limitation in evaluating regional environmental impact in order to compare the trade off between different environmental aspects. Using monetary evaluation of regional environmental impact in addition to LCA is effective method. Risk reduction and environmental loading can be compared using DALYs (disability adjusted life years) that is used in the impact analysis of LCA. Wastewater treatment facility reduces the risk of pathogen whereas its construction and operation cause environmental loading which increases the risk. The trade off between these two is compared using DALYs. Conjoint analysis is an effective tool to compare different environmental aspects. An example is shown in which protection of human health, protection of living environment and preservation of wild life are compared together with monetary value using conjoint analysis.
- 社団法人 環境科学会の論文
社団法人 環境科学会 | 論文
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