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Air pollution can occur naturally or be caused by human activities. [4] Air pollution causes around 7 or 8 million deaths each year. [5] [6] It is a significant risk factor for a number of pollution-related diseases, including heart disease, stroke, chronic obstructive pulmonary disease (COPD), asthma and lung cancer.
The mortality rate from vehicular pollution can be twice as high near heavily traveled roads, based on a study conducted in Holland at residences 50 meters from a main road and 100 meters from a freeway. [1]
Karachi's air quality index (AQI) has risen to an unhealthy level of 193, making it the fourth most polluted city in the world. [2] The city's AQI is often among the highest globally, indicating severe levels of air pollution. [3] Fine particulate matter (PM2.5) plays a major role in air pollution in Karachi.
Environmental policy is the commitment of an organization or government to the laws, regulations, and other policy mechanisms concerning environmental issues.These issues generally include air and water pollution, waste management, ecosystem management, maintenance of biodiversity, the management of natural resources, wildlife and endangered species. [1]
Radioactive waste was both released into the air and flowed into the Columbia River (which flows to the Pacific Ocean). In 2014, the Hanford legacy continues with billions of dollars spent annually in a seemingly endless cleanup of leaking underground
Smog, or smoke fog, is a type of intense air pollution.The word "smog" was coined in the early 20th century, and is a portmanteau of the words smoke and fog [1] to refer to smoky fog due to its opacity, and odor. [2]
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Air pollution is a big problem in Peru, especially in Lima, the capital city, which is caused by industrial activity and vehicle emissions. In August 2006, air pollution in Lima surpassed the international standard by 122.1% The average concentration of PTS reached 166.57 micrograms per cubic meter, the international standard is 77 micrograms ...