نتایج جستجو برای: megacity
تعداد نتایج: 901 فیلتر نتایج به سال:
The Los Angeles megacity, which is home to more than 40% of the population in California, is the second largest megacity in the United States and an intense source of anthropogenic greenhouse gases (GHGs). Quantifying GHG emissions from the megacity and monitoring their spatiotemporal trends are essential to be able to understand the effectiveness of emission control policies. Here we measure c...
Cities have developed into the hotspots of human economic activity. From the appearance of the first cities in the Neolithic to 21st century metropolis their impact on the environment has always been apparent. With more people living in cities than in rural environments now it becomes crucial to understand these environmental impacts. With the immergence of megacities in the 20th century and th...
Sustainable living will require megacity-level infrastructural support designs and paradigms.
Title:Incremental health expenditure and lost days of normal activity for individuals with mental disorders: results from the Sao Paulo Megacity Study
Despite the growing number of teleworkers and unsustainable challenges (e.g., environmental pollution) facing megacities due to population pressure, few studies have investigated whether telework can reduce pressure in megacities. This study conducts a scenario-based experiment proposes that by enticing megacity residents leave megacity. Specifically, given increasing companies are adopting met...
This discussion paper is/has been under review for the journal Atmospheric Chemistry and Physics (ACP). Please refer to the corresponding final paper in ACP if available. Abstract A detailed characterization of air quality in Paris (France), a megacity of more than 10 million inhabitants, during two one month intensive campaigns and from additional one year observations, revealed that about 70 ...
this paper investigates the relationship between the lagos megacity and ota township, a small township onits periphery. the study examines linkages between and lagos in terms of growth, urban development as well as mobility. 553 questionnaires were administered to household heads across the 12 residential districts of ota township. survey was carried out by systematic random sampling. classifie...
Providing quantitative information on the sources of PM2.5-bound polycyclic aromatic hydrocarbons (PAHs) in urban regions is vital to establish effective abatement strategies for air pollution in a megacity. In this study, based on a year data set from October 2011 to August 2012, the sources of PM2.5-bound 16 USEPA priority PAHs (16 PAHs) in Shanghai, a megacity in China, were apportioned by p...
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