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A Semi-Analytic Hierarchy Process to Assess the Plastic Waste and Contrive a Responsibility Index
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This paper proposes a semi-analytic hierarchy process to assess country-level plastic waste production and assign proportional responsibility for its management and treatment. It argues that high-producing countries should bear greater responsibility for the global plastic waste crisis.
Currently, hundreds of millions of tons of plastic waste is produced every year around the world, which has caused irreversible and serious damage to the environment, which should be highly valued by all countries. Studies show that countries with fast growth and high economic levels produce more plastic waste than others. They should take the corresponding responsibility for the treatment of plastic waste. But so far, the responsibilities of all countries have no clear boundaries, which has caused the problem of plastic waste management to be delayed in reaching a global consensus. To handle the problem above, this paper adopts the semi-analytic hierarchy process (SAHP) based on the analytic hierarchy process (AHP). On the basis of the original model, a global share data processing method is used to replace the judgment matrix establishment process in the scheme layer, which reduces the influence of the subjective factors. It also improves the shortcomings that AHP cannot accommodate new samples. The SAHP helps to establish the responsibility index of each country through a responsibility quantification model system, which clearly quantifies the responsibility of each country, and provides an effective reference for the management of plastic waste in various countries.
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