EVERYDAY SCIENCE

Detailed explanation-1: -The act establishes federal standards for mobile sources of air pollution and their fuels and for sources of 187 hazardous air pollutants, and it establishes a cap-and-trade program for the emissions that cause acid rain. It establishes a comprehensive permit system for all major sources of air pollution.

Detailed explanation-2: -As per Section 2 (b) of the Air Act 1981, air pollution is defined as the presence of air pollutants in the atmosphere.

Detailed explanation-3: -The Air (Prevention and Control of Pollution) Act came into force in 1981 and later was amended in 1987 to include noise as an air pollutant. It is an Act of the Parliament of India to control and prevent air pollution in India.

Detailed explanation-4: -Air pollution is contamination of the indoor or outdoor environment by any chemical, physical or biological agent that modifies the natural characteristics of the atmosphere. Household combustion devices, motor vehicles, industrial facilities and forest fires are common sources of air pollution.