Air pollution can be caused by both man-made and natural causes, although the contribution by these natural causes is pretty negligible.
The main culprit of air pollution is the man-made sources of air pollution. The single most harmful source of air pollution is the unchecked burning of fossil fuels by mankind. Fossil fuels (non-renewable sources of energy such as crude oil, petrol, diesel, coal, etc.) are used in almost every process of industrialization, manufacturing, transport, and energy generation. In rural areas, a major source of pollution is the practice of unchecked crop burning. In moderation, this is actually a useful tool in farming but uncontrolled crop burning causes significant air pollution. Another source of man-made pollution is military resources such as nuclear arsenal and chemical weaponry.
#airpollution #pollution #environment
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Toppr is an after school learning app for K12 students. Our vision is to personalize education using technology. We cater to the curricular learning needs of students who are preparing for various school board exams, olympiads, and scholarship tests as well as for engineering and medical college entrance exams.
The award-winning Toppr platform leverages 4 methods of learning, each delivering a tailor-made experience for the student:
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These modules leverage our proprietary content of over a million learning pieces, that give each student a unique learning path and the best value for the time spent studying.
In a market where education is either a walled garden, with those that need help getting the least attention or a "one size fits all" one-to-many content distribution engine; Toppr offers effective learning that works for each and every student.
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