نتایج جستجو برای: polluted cities air pollution

تعداد نتایج: 306415  

Journal: :Remote Sensing 2016
Wei Chen Lei Yan Nan Ding Mengdie Xie Ming Lu Fan Zhang Yongxu Duan Shuo Zong

Aerosol particles can strongly affect both air quality and the radiation budget of the atmosphere. Above Beijing, the capital city of China, large amounts of aerosols within the atmospheric column have caused the deterioration of local air quality and have influenced radiative forcings at both the top and the bottom of the atmosphere (BOA and TOA). Observations of aerosol radiative forcing and ...

Journal: :Brain and cognition 2008
Lilian Calderón-Garcidueñas Antonieta Mora-Tiscareño Esperanza Ontiveros Gilberto Gómez-Garza Gerardo Barragán-Mejía James Broadway Susan Chapman Gildardo Valencia-Salazar Valerie Jewells Robert R Maronpot Carlos Henríquez-Roldán Beatriz Pérez-Guillé Ricardo Torres-Jardón Lou Herrit Diane Brooks Norma Osnaya-Brizuela Maria E Monroy Angelica González-Maciel Rafael Reynoso-Robles Rafael Villarreal-Calderon Anna C Solt Randall W Engle

Exposure to air pollution is associated with neuroinflammation in healthy children and dogs in Mexico City. Comparative studies were carried out in healthy children and young dogs similarly exposed to ambient pollution in Mexico City. Children from Mexico City (n: 55) and a low polluted city (n:18) underwent psychometric testing and brain magnetic resonance imaging MRI. Seven healthy young dogs...

2013
Shuiyuan Cheng Fang Wang Jianbing Li Dongsheng Chen Mingjun Li Ying Zhou Zhenhai Ren

A modeling framework was proposed to investigate the impact of trans-boundary air pollutant transport on regional air quality. This was based on a combination of the HYSPLIT trajectory model, the CAMx air quality model, and the MM5 meteorological model. The examination of atmospheric PM10 pollution in Guangzhou within the Pearl River Delta (PRD) region of southern China was used as a case study...

2008
Frank E. Speizer Aaron Cohen Sumi Mehta

disease rates), and other important factors (e.g., broad changes in regulatory approaches, improvements in control technology) will influence the extent to which exposure to air pollution affects the health of the Asian population over the next several decades. Because the effects on air quality of recent, rapid development are clearly apparent in many of Asia's cities and industrial areas, gov...

Journal: :Environment international 2015
Prashant Kumar Lidia Morawska Claudio Martani George Biskos Marina Neophytou Silvana Di Sabatino Margaret Bell Leslie Norford Rex Britter

Ever growing populations in cities are associated with a major increase in road vehicles and air pollution. The overall high levels of urban air pollution have been shown to be of a significant risk to city dwellers. However, the impacts of very high but temporally and spatially restricted pollution, and thus exposure, are still poorly understood. Conventional approaches to air quality monitori...

2010
YU Fang Peng Fei Ian V. Green

While the environments of more and more Chinese cities are becoming less polluted following successful introduction of pollution control and environment renovation measures in recent years, more attention is now being given to the livability of cities. However, these successes are often not quantifiable and are not universally recognized. Based on a survey of globallyrecognized urban livability...

2015

Air pollution is a significant problem in cities across the world. It affects human health and well-being, ecosystem health, crops, climate, visibility and human-made materials. Health effects related to air pollution include its impact on the pulmonary, cardiac, vascular and neurological systems (Section 2). Trees affect air quality through a number of means (Section 3) and can be used to impr...

Journal: :Environmental Health Perspectives 1999
W Jedrychowski E Flak E Mróz

The main purpose of our study was to assess the effect of low concentrations of ambient air pollution on lung function growth in preadolescent children. We accounted for height velocity over the follow-up period and also for other possible confounders such as baseline anthropometric and physiologic characteristics of children. In addition to outdoor air pollution, we considered the possible eff...

2009
Siqi Zheng Matthew E. Kahn Hongyu Liu Jing Wu Jack Moxon

Over the last thirty years, China's major cities have experienced significant income and population growth. Much of this growth has been fueled by urban production spurred by world demand. Using a unique cross-city panel data set, we test several hypotheses concerning the relationship between home prices, wages, foreign direct investment and ambient air pollution across major Chinese cities. Ho...

Journal: :Environmental Health Perspectives 2004
Joel Schwartz

Although particulate air pollution has been associated with increased numbers of daily deaths in dozens of cities around the world, issues still remain about the association. Some have questioned the complex modeling used to control for season in Poisson regression or the role of gaseous air pollutants as potential confounders of the association. I examined the association between deaths and pa...

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