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Waste sorting and its effects on carbon emission reduction:Evidence from China

Chinese Journal of Population,Resources and Environment 2020年第1期18卷 26-34页

作者： Hongping Lian Dechuan Wang Hui Li School of Government Beijing Normal UniversityBeijing100875China Department of Public Administration College of Business Administration and Public PolicyCalifornia State UniversityThe United States

Considering the importance of waste sorting and treatment in the development of an ecological civilization,empirically evaluating the environmental impact of such programs is particularly *** study uses Xiao'er Township in Gong County,Sichuan Province,China as a case study to analyze and estimate the carbon emission reduction effects of the township's pilot waste sorting *** the five-point sampling method,samples of waste are collected,reviewed,and measured for their major components and other key ***,questionnaire surveys and interviews are conducted in the township,along with investigations into existing records and other relevant *** study adopts the solid waste management-greenhouse gas(swm-ghg)calculator to study the township *** case study results imply that proper waste sorting and treatment methods in villages and townships could play a major role in the reduction of carbon ***,after implementing waste sorting in Xiao'er,annual carbon emissions were reduced by 2081 tons—equivalent to the electricity consumption of a family of three people for 1718 years,or the amount of CO_(2)emitted by 2641.6L vehicles driving once around the *** the optimal scenario simulation,increasing the recycling of wet waste and recyclable waste further,the level of carbon emission reduction in Xiao'er could reach up to 4482 tons per *** to the international general carbon trade price,this is equivalent to adding 44,820 US dollars to the GDP,or to an annual saving of 5.71 million *** these waste management methods are expanded to villages and townships across China,then the carbon emissions reduced in a year would be equal to the CO_(2)emitted from electricity generation in Beijing for over a *** on these findings,this paper provides three policy recommendations for effective carbon emission reduction:increasing residents'environmental protection awareness over the long term,boosting

关键词： Township waste sorting and treatment Carbon emission reduction swm-ghg calculator China Xiao'er township

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Comparison of Different Waste Management Technologies and Climate Change Effect—Jordan

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American Journal of Climate Change 2012年第2期1卷 57-63页

作者： Mohammad Aljaradin Kenneth M.Persson Department of Water Resources Engineering Lund UniversityLundSweden Sydvatten AB MalmoSweden

Solid waste management (swm) strategies offer huge potentials to contribute to climate change mitigation. To assess the potentials of swm to contribute to greenhouse gas (ghg) reduction and resource recovery, available technologies and strategies have to be analyzed. In this work, a swm-ghg calculator was used to compare different potential strategies for waste management considering economic situation, environmental and social awareness in Jordan. Four scenarios representing the current and suggested technologies (increase recovery, biological treatment, and advance biological treatment) were studied. The results showed that a vast reduction of ghg emission of about 63,175 tons CO2-eq/year was observed in the fourth scenario where all the organic waste was recovered. Moreover, this scenario increased the net caloric values in reused waste from 8.4 to 9.6 MJ/kg. The results suggest that the swm-ghg calculator can offer sufficiently accurate approximation of the ghg impacts of different suggested strategies in the country and can serve as an important contribution to decision makers.

关键词： Greenhouse Gas Climate Change swm-ghg calculator Jordan

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