Transport policy and climate change: How to decide when experts disagree

Transport is the sector with the fastest growth of greenhouse gases emissions in many countries. Accumulation of these emissions may cause uncertain and irreversible adverse climate change impacts. In this context, we use the analytic hierarchy process (AHP) to face the question on how to select the...

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Bibliographic Details
Published in:Environmental science & policy 2008-06, Vol.11 (4), p.307-314
Main Authors: Berrittella, Maria, Certa, Antonella, Enea, Mario, Zito, Pietro
Format: Article
Language:English
Subjects:
Analytic hierarchy process
Climate change
Experts
Hierarchy
Pollution
Transport policies
Transport policy
Uncertainty
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Summary:Transport is the sector with the fastest growth of greenhouse gases emissions in many countries. Accumulation of these emissions may cause uncertain and irreversible adverse climate change impacts. In this context, we use the analytic hierarchy process (AHP) to face the question on how to select the best transport policy if the experts have different opinions and beliefs on the occurrence of these impacts. Thus, both the treatment of uncertainty and dissent are examined for the ranking of transport policies. The opinions of experts have been investigated by a means of a survey questionnaire. A sensitivity analysis of the experts’ weights and the criteria’ weights confirms the robustness of the results.
ISSN:1462-9011
1873-6416
DOI:10.1016/j.envsci.2008.01.008