نتایج جستجو برای: keywords air pollution

تعداد نتایج: 2175901  

Recently, indoor air quality has attracted the attention of policymakers and researchers as a critical issue like that of external air pollution. Indoor air quality is more important as people spend time longer indoors than outdoors. Indoor environments are closed compared to external environments providing less opportunity for the pollutants to dilute. The emissions contain many substances tha...

2017
Xiaolin Xia An Zhang Shi Liang Qingwen Qi Lili Jiang Yanjun Ye

Nowadays, most of the research on air pollution and its adverse effects on public health in China has focused on megacities and heavily-polluted regions. Fewer studies have focused on cities that are slightly polluted. Shenzhen used to have a favorable air environment, but its air quality has deteriorated gradually as a result of development in recent years. So far, no systematic investigations...

Journal: :Environmental Health Perspectives 1993
F W Lipfert

Studies of the associations between air pollution and hospital admissions and emergency room use are reviewed, including studies of air pollution episodes, time-series analyses, and cross-sectional analyses. These studies encompass a variety of methods of analysis and levels of air quality. Findings from all three types of studies were generally consistent in that almost all of the studies revi...

Journal: :global journal of environmental science and management 2015
r.n. lohe b. tyagi v. singh p. tyagi d.r. khanna

although water and land pollution are very dangerous, air pollution has its own peculiarities due to its transboundary dispersion of pollutants over the entire world. in any well planned urban set up, industrial pollution takes a back seat and vehicular emissions take precedence as the major cause of urban air pollution. in the present study, air pollution tolerance index was calculated for var...

Journal: :The Medical journal of Australia 2002
Louis A du Plessis

Urban air pollution levels are associated with increased mortality and cardiorespiratory morbidity. These health effects occur even at exposure levels below those stipulated in current air-quality guidelines, and it is unclear whether a safe threshold exists. Air pollution in Australia and New Zealand comes primarily from motor vehicle emissions, electricity generation from fossil fuels, heavy ...

2014
Eunice Omanga Lisa Ulmer Zekarias Berhane Michael Gatari

BACKGROUND Developing countries have limited air quality management systems due to inadequate legislation and lack of political will, among other challenges. Maintaining a balance between economic development and sustainable environment is a challenge, hence investments in pollution prevention technologies get sidelined in favor of short-term benefits from increased production and job creation....

2008
Abhijit Gosavi

Pollution of air resulting from toxic wastes emitted by large manufacturing plants and power-generation plants is a much-studied topic. The issue of health hazards arising from water pollution (see Wagner, Shamir, and Marks, 1994), storage and transportation of hazardous materials, and genetically-engineered food products has been a topic of intense debate and considerable research for the last...

2014
K. Thangadurai

Air pollution is an higher threat for not only the environmental condition of any country, also a biggest factor for global warming. In this decade , the nation planning commissions of every country shift their focust to get solutions for air pollution and trying to save the environment conditions of the country. We hope this is the first article which tries to provide some solution which could...

2016
Zhengtao Li Henk Folmer Jianhong Xue

Studies on the perception of air pollution in China are very limited. The aim of this paper is to help to fill this gap by analyzing a cross-sectional dataset of 759 residents of the Jinchuan mining area, Gansu Province, China. The estimations suggest that perception of air pollution is two-dimensional. The first dimension is the perceived intensity of air pollution and the second is the percei...

2014
Kanyiva Muindi Thaddaeus Egondi Elizabeth Kimani-Murage Joacim Rocklov Nawi Ng

BACKGROUND People's perceptions of and attitudes towards pollution are critical for reducing exposure among people and can also influence the response to interventions that are aimed at encouraging behaviour change. This study assessed the perceptions and attitudes of residents in two slums in Nairobi regarding air pollution. METHODS We conducted focus group discussions with residents aged 18...

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