Ambient fine particulate matter(PM_(2.5))pollution causes the largest environmental health risk globally,yet ex-posure levels and the resulting health risks vary across countries with different income levels.Global we...Ambient fine particulate matter(PM_(2.5))pollution causes the largest environmental health risk globally,yet ex-posure levels and the resulting health risks vary across countries with different income levels.Global wealth inequality has intensified in recent years,yet the relationship between wealth inequality and health risks related to PM_(2.5) pollution remains poorly understood.In this study,we evaluated the global mortality and health cost at-tributable to PM_(2.5) exposure from 2017 to 2021,and analyzed the relationship between wealth inequality,PM_(2.5) pollution,and the associated health risks across regions with varying economic levels.We found a consistent decline in mortalities and health costs attributable to PM_(2.5) exposure from 2017 to 2020,followed by a rebound after 2020,driven primarily by the resurgence of PM_(2.5) concentrations and a deceleration in the reduction of baseline mortality rates.We also found that the average PM_(2.5) concentration and associated risks decrease as domestic wealth inequality decreases and national income level increases.However,regions with extremely high levels of wealth inequality consistently show lower national average PM_(2.5) concentrations and health risks.These findings highlight the need to consider healthcare security during emergencies,as well as policy fairness across economic regions,in the formulation of global PM_(2.5) pollution control measures to promote sustainable,more equitable economic growth and coordinated air pollution management.展开更多
In recent years,Danyang in Jiangsu Province-one of China’s key eyewear manufacturing and distribution centers-has leveraged its“small glasses”to power a“big industry.”
Existing research has emphasized the environmental effects of the digital economy.However,the question of whether ecological wealth can stimulate digital economic growth remains unanswered.Using panel data from Chines...Existing research has emphasized the environmental effects of the digital economy.However,the question of whether ecological wealth can stimulate digital economic growth remains unanswered.Using panel data from Chinese cities spanning 2011-2022,this study empirically examines how urban ecological wealth affects digital economy development.The results reveal that ecological wealth significantly promotes digital economy growth,with stronger effects observed in coastal and highly urbanized cities.Mechanism analysis shows that ecological wealth advances digital economy development by fostering green technology innovation and enhancing human capital.Additional tests indicate a significant negative spatial spillover effect,suggesting that local ecological wealth may inhibit digital economy growth in neighboring areas.These findings offer valuable policy insights for strengthening ecological wealth accumulation and advancing digital economy development.展开更多
基金supported by the National Natural Science Foundation of China(Nos.42305089 and 42175106)the Self-supporting Program of Guangzhou Laboratory(No.SRPG22-007)+1 种基金the Youth Science and Technology Fund Project of Gansu(No.22JR5RA512)the Fundamental Research Funds for the Central Universities(No.lzujbky-2022-pd05).
文摘Ambient fine particulate matter(PM_(2.5))pollution causes the largest environmental health risk globally,yet ex-posure levels and the resulting health risks vary across countries with different income levels.Global wealth inequality has intensified in recent years,yet the relationship between wealth inequality and health risks related to PM_(2.5) pollution remains poorly understood.In this study,we evaluated the global mortality and health cost at-tributable to PM_(2.5) exposure from 2017 to 2021,and analyzed the relationship between wealth inequality,PM_(2.5) pollution,and the associated health risks across regions with varying economic levels.We found a consistent decline in mortalities and health costs attributable to PM_(2.5) exposure from 2017 to 2020,followed by a rebound after 2020,driven primarily by the resurgence of PM_(2.5) concentrations and a deceleration in the reduction of baseline mortality rates.We also found that the average PM_(2.5) concentration and associated risks decrease as domestic wealth inequality decreases and national income level increases.However,regions with extremely high levels of wealth inequality consistently show lower national average PM_(2.5) concentrations and health risks.These findings highlight the need to consider healthcare security during emergencies,as well as policy fairness across economic regions,in the formulation of global PM_(2.5) pollution control measures to promote sustainable,more equitable economic growth and coordinated air pollution management.
文摘In recent years,Danyang in Jiangsu Province-one of China’s key eyewear manufacturing and distribution centers-has leveraged its“small glasses”to power a“big industry.”
文摘Existing research has emphasized the environmental effects of the digital economy.However,the question of whether ecological wealth can stimulate digital economic growth remains unanswered.Using panel data from Chinese cities spanning 2011-2022,this study empirically examines how urban ecological wealth affects digital economy development.The results reveal that ecological wealth significantly promotes digital economy growth,with stronger effects observed in coastal and highly urbanized cities.Mechanism analysis shows that ecological wealth advances digital economy development by fostering green technology innovation and enhancing human capital.Additional tests indicate a significant negative spatial spillover effect,suggesting that local ecological wealth may inhibit digital economy growth in neighboring areas.These findings offer valuable policy insights for strengthening ecological wealth accumulation and advancing digital economy development.
