After reading this article you will learn about air pollution and its impact on health. The World Health Organisation (WHO) defines air pollution, as "substances put into the air by the activity of mankind into concentrations sufficient to cause harmful effects to health, property, crop yield or to interfere with the enjoyment of propÂerty". Air pollution is a major environmental [...]
Essay on Air Pollution: Sources, Types and Effects! The earth's atmosphere contains various gases, water vapor and suspended particles. The dry air of the atmosphere is composed of four major gases nitrogen, oxygen, argon and carbon dioxide that account for more than 99.5% (Table 55.1). The other gases found in traces in the air include helium, methane, krypton, hydrogen, carbon [...]
This article throws light upon the three types of air control devices. They are: (1) Control Devices for Particulate Pollutants (2) Control Devices for Gaseous Pollutants and (3) Control Devices for Volatile Organic Compounds (VOCs). The air pollution load particularly from industries can be reduced by several measures- replacement of burning fuel by electricity or solar energy, improvement in fuel [...]