In this article we will discuss about the Air Pollution:- 1. Meaning of Air Pollution 2. Sources of Air Pollution 3. Air Pollutants 4. Indoor Air Pollution 5. Effects of Air Pollution 6. Prevention and Control of Air Pollution 7. Disinfection of Air. Contents: Essay on the Meaning of Air Pollution Essay on the Sources of Air Pollution Essay on [...]
The below mentioned article provides a short note on Excreta Disposal. Public Health Importance: 1. Human excreta is an important cause of environmental pollution. 2. Improper excreta disposal causes soil pollution, water pollution, contamination of foods and propagation of flies. The resulting diseases are typhoid and paratyphoid fever, dysenteries, diarrheas, cholera, hookworm disease, viral hepatitis and similar other intestinal infections. [...]