Search results
Results from the WOW.Com Content Network
e. Air pollution is the contamination of air due to the presence of substances called pollutants in the atmosphere that are harmful to the health of humans and other living beings, or cause damage to the climate or to materials. [ 1 ] It is also the contamination of the indoor or outdoor environment either by chemical, physical, or biological ...
Air pollution can affect nearly every organ and system of the body, negatively affecting nature and humans alike. Air pollution is a particularly big problem in emerging and developing countries, where global environmental standards often cannot be met. The data in this list refers only to outdoor air quality and not indoor air quality, which ...
The Indian Ocean brown cloud or Asian brown cloud is a layer of air pollution that recurrently covers parts of South Asia, namely the northern Indian Ocean, India, and Pakistan. [1][2] Viewed from satellite photos, the cloud appears as a giant brown stain hanging in the air over much of the Indian subcontinent and the Indian Ocean every year ...
Southeast Asian haze. A peat fire near the Raja Musa Forest Reserve in Selangor, Malaysia (2013). The fires are below the surface, where the peat is smoldering. The Southeast Asian haze is a fire-related recurrent transboundary air pollution issue. Haze events, where air quality reaches hazardous levels due to high concentrations of airborne ...
Map of PM2.5 pollution over China from April to August 2014. Air pollution is a major public health issue in China. Over the past three decades, the rapid development of China has resulted in excessive emissions of greenhouse gases. Among the 337 cities, more than 40 percent of the major air pollutant concentrations exceeded Chinese standards. [29]
Air pollution in Taiwan. The urban landscape in a suburb of Taipei on 15 April 2010, seemingly featuring heavy air pollution. Air pollution in Taiwan is mostly derived from sources of domestic combustion, primarily the burning of fossil fuels. [1] Taiwan's topography has been noted to be a contributing factor to its air pollution problem ...
The 2015 Southeast Asian haze was an air pollution crisis affecting several countries in Southeast Asia, including Brunei, Indonesia (especially its islands of Sumatra and Borneo), Malaysia, Singapore, southern Thailand, Vietnam, Cambodia and the Philippines. The haze affected Indonesia from at least late June, [1] to the end of October ...
The Hong Kong Medical Association estimates that air pollution can exacerbate asthma, impair lung function and raise the risk of cardio-respiratory death by 2 to 3 per cent for every increase of 10 micrograms per cubic metre of pollutants. [3] Studies by local public health experts have found that these roadside pollution levels are responsible ...