air pollution is worse than noise pollution. 3 minutes speech
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Answer:
WHO has defined air pollution as “the presence in air of substances put there by acts of man in concentrations sufficient to interfere with the comfort, safety, or health of man or with the full use or enjoyment of his property. The presence of contaminants in the atmosphere is considered to be in sufficient quantities and duration, to cause them to be injurious to human health, animal and plant life and reduce welfare in general.”
Causes of Air Pollution:
There are two sources of air pollution:
(a) Natural Sources,(b) Man-made Sources:
Air pollution is also due to human activities.
There are many causes of air pollution which are discussed below:
(1) Pollution by Industries:
ADVERTISEMENTS:
The problem of industrial pollution is acute in areas where petroleum refineries, chemical industries, pulp and paper and textile industries are concentrated. Even small scale industries like foundries, and brick making are significantly air polluters.
(2) Pollution by Vehicles:
Increasing vehicular traffic is the most important source of air pollution in big cities. Other reasons for this are two stroke engines, old vehicles, traffic congestions, bad roads and obsolete automotive technologies and lack of traffic management system.
(3) Old Methods of Cooking:
ADVERTISEMENTS:
People residing in shanty towns, slums and poorly ventilated houses and using household stoves, wood and coal for cooking, further increase air pollution in underdeveloped countries. Smoky indoor air mainly affects the health of women and children.