As one of the top ten environmental problems to be solved in the world,marine plastic waste and microplastic pollution seriously affect the health of marine ecosystems and the sustainable development of Marine economi...As one of the top ten environmental problems to be solved in the world,marine plastic waste and microplastic pollution seriously affect the health of marine ecosystems and the sustainable development of Marine economies.It is necessary to promote the establishment of a scientific and systematic Marine plastic waste and microplastic pollution control system and take strong measures to fundamentally curb and reverse the trend of marine pollution intensification in China.This paper first explains the practical significance of marine plastic waste and microplastic pollution control from three aspects:the sustainable development of the blue economy,the structural upgrading of the pan-plastic industry,and the improvement of public health awareness.Secondly,the particularity of marine plastic waste and microplastic pollution control system is summarized from three aspects of formation mechanism,migration path and damage performance.Then,it identifies domestic and international governance strategies and action plans from the perspectives of mechanism,subject,object,and measures,summarizes existing problems in the existing marine plastic waste and microplastic pollution control system,and gives directions for future improvement.Finally,some countermeasures and suggestions are put forward to accelerate the construction of China’s marine plastic waste and microplastic pollution control system,including the formation of a cross sectoral integrated land and sea control system,a full life cycle waste management process,a multi-participation model for marine ecological and environmental governance,and a global marine pollution prevention and control system.展开更多
Marine plastic waste has been an important global environmental issue in recent years,and quantifying the amount of global marine plastic waste input is vital for control and mitigation.However,determining an accurate...Marine plastic waste has been an important global environmental issue in recent years,and quantifying the amount of global marine plastic waste input is vital for control and mitigation.However,determining an accurate quantity of oceanic plastics is challenging because comprehensive monitoring data are difficult to obtain on national and global scales.To understand the contribution of China in global marine plastic waste input,we used a material flow analysis(MFA)method,which is included in lifecycle assessment and combines statistical data from China’s official statistics,reports,and NPO(nonprofit organization)to establish an MFA model.The model assesses the lifecycle of plastics,which starts with primary plastic,passes the stage of plastic product,and eventually becomes plastic waste.With the MFA model,the annual amount of plastic waste entering the ocean from China from 2011 to 2020 can be calculated.In 2011,0.65 million tonnes of plastic waste entered the ocean from China,and the quantity rose slowly until 2016.A rapid decline appeared in 2018 because of China’s governmental managements and the quantity will continue to decrease until 2020.Our results indicate the amount of oceanic plastics has a strong correlation with government control measures.展开更多
基金This study is supported by the Grant from National Natural Science Foundation of China[Grant No.72004114]the Grant from National Social Science Fund of China[Grant No.18ZDA115]+1 种基金the Innovative Research Group Project of the National Foundation of China[Grant No.71721002]the Grant from China Postdoc‐toral Science Foundation[Grant No.2020M670370].
文摘As one of the top ten environmental problems to be solved in the world,marine plastic waste and microplastic pollution seriously affect the health of marine ecosystems and the sustainable development of Marine economies.It is necessary to promote the establishment of a scientific and systematic Marine plastic waste and microplastic pollution control system and take strong measures to fundamentally curb and reverse the trend of marine pollution intensification in China.This paper first explains the practical significance of marine plastic waste and microplastic pollution control from three aspects:the sustainable development of the blue economy,the structural upgrading of the pan-plastic industry,and the improvement of public health awareness.Secondly,the particularity of marine plastic waste and microplastic pollution control system is summarized from three aspects of formation mechanism,migration path and damage performance.Then,it identifies domestic and international governance strategies and action plans from the perspectives of mechanism,subject,object,and measures,summarizes existing problems in the existing marine plastic waste and microplastic pollution control system,and gives directions for future improvement.Finally,some countermeasures and suggestions are put forward to accelerate the construction of China’s marine plastic waste and microplastic pollution control system,including the formation of a cross sectoral integrated land and sea control system,a full life cycle waste management process,a multi-participation model for marine ecological and environmental governance,and a global marine pollution prevention and control system.
基金National Key Research and Development Program of China(grant No.2016YFC1402200)National Natural Science Foundation of China(grant No.41676190).
文摘Marine plastic waste has been an important global environmental issue in recent years,and quantifying the amount of global marine plastic waste input is vital for control and mitigation.However,determining an accurate quantity of oceanic plastics is challenging because comprehensive monitoring data are difficult to obtain on national and global scales.To understand the contribution of China in global marine plastic waste input,we used a material flow analysis(MFA)method,which is included in lifecycle assessment and combines statistical data from China’s official statistics,reports,and NPO(nonprofit organization)to establish an MFA model.The model assesses the lifecycle of plastics,which starts with primary plastic,passes the stage of plastic product,and eventually becomes plastic waste.With the MFA model,the annual amount of plastic waste entering the ocean from China from 2011 to 2020 can be calculated.In 2011,0.65 million tonnes of plastic waste entered the ocean from China,and the quantity rose slowly until 2016.A rapid decline appeared in 2018 because of China’s governmental managements and the quantity will continue to decrease until 2020.Our results indicate the amount of oceanic plastics has a strong correlation with government control measures.
