To understand the problem posed by diesel, it is necessary to understand the new information that has emerged over the last decade about its ill-effects. The first big finding come with air pollution experts discovering that diesel exhaust consists of 10-100 times more particles than petrol. More than that, experts soon began to realise that it is not the total quantity of particles that matters so much for public health as the size of the particles in vehicular exhaust. This monograph busted the myth that diesel is the fuel of the future and shows how harmful it is for the health.

To study the association between ambient air pollutants (AAP) and respiratory symptoms complex (RSC) in preschool children, a cohort of 664 children between the ages of 1 month to 4.5 yr were randomly selected from 28 slums (anganwadi centres) of Lucknow, north India. They were followed up fortnightly for six months.

The Government of India announced its decision in 1973 to set up a 6 million tonne per year Petroleum Oil Refinery at Mathura under the Indian Oil Corporation of India.

The Central Pollution Control Board in exercise of its powers conferred under section 16(2) (h) of the Air (Prevention and Control of Pollution) Act,1981 (14 of 1981) notify the National Ambient Air Quality Standards, 1994.

To protect the treasured monument - Taj Mahal - from the possible effects of chemicals in air, the Government of India constituted a High Power Committee to oversee the implementation of the necessary air pollution control measures in Agra Mathura Region and an Expert Group to assist the Committee with its scientific and technical findings.

Stone crushing industry is an important industrial sector in the country engaged in producing crushed stone which acts as raw material for various construction activities such as the construction of roads, bridges, buildings, canals, etc.