Journal Title
Title of Journal: Clean Techn Environ Policy
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Abbravation: Clean Technologies and Environmental Policy
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Publisher
Springer Berlin Heidelberg
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Authors: Miguel Afonso Sellitto Miriam Borchardt Giancarlo Medeiros Pereira Martha Eliza Bubicz
Publish Date: 2014/12/23
Volume: 17, Issue: 4, Pages: 1053-1064
Abstract
The purpose of this article was to present a tool for the assessment of the environmental performance of bus transit operators The research method was the qualitative modeling Environmental performance is the result of the environmental management practices adopted by an organization Environmental performance was hierarchically structured in criteria and indicators The assessment process produces an overall dimensionless index a pure number without an associated physical dimension originated from expert judgments and according to a composition rule Experts attribute a degree of compliance to expected performance ranging between 0 and 100 respectively the worst and the best to the situation of environmental categorical indicators Five criteria apprehended by 32 indicators and prioritized by analytic hierarchy process were used in the tool Atmosphere 39 regarding impacts of the bus operation in air quality effluents 6 regarding impacts caused by liquid waste solid waste 8 regarding the generation of solids land use 18 regarding how the operation uses the land and natural resources 29 regarding how efficient the operation is in using natural resources The tool was tested in six bus transit operations of a Latin America city of about 1500000 inhabitants Indicators were assessed by scales fulfilled by managers of the operations The overall dimensionless results for the six operators were 5896 5324 5097 5407 4701 and 3769 of the maximum possible performance This numbers represent the degree of global satisfaction of the experts with the environmental results obtained by the operators For all six operators the more problematic criterion was Atmosphere An improvement strategy should focus on it implementing corrective actions monitored by the indicators of the criteriaThe research was entirely supported by funds from CNPq Brazil the Brazilian agency of scientific research under the process number 483271/20098 We are grateful to the experts and the practitioners that participated of the field stages of the research The authors declare that they have no conflict of interest involving the entire research
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