Keynotes of a Speech on Solid Waste: it’s Sources and Effects!
Solid waste can be defined as those waste which has been rejected for further use and which can neither be transported by water into streams nor can readily escape into the atmosphere.
Sources of Solid waste:
1. Domestic Wastes:
These include wastes from household preparation cooking and serving of food, waste paper, cloth and plastics etc.
2. Municipal Solid wastes:
This waste include garbage and rubbish from household, hotel, offices, markets etc. and also the street refuse such as street sweeping, dirt, leaves etc.
3. Biomedical waste:
It is generated by hospital, blood banks and clinics consist of pathological and surgical waste, drug residues .disposable syringes, needle etc.
4. Industrial waste:
It includes two types of wastes:
(a) Process Waste:
It depends upon the type of the product being manufactured such as tannery waste, food processing waste, rubber waste, metal scraps etc.
(b) Non Process Waste:
Such as packing waste, cafeteria waste.
5. Agricultural waste:
These waste result from farms, feedlots and livestock yards including paddy husk, bagasse from sugarcane, tobacco and corn residue etc.
Effects of Solid Wastes:
1. Improper handling of solid waste is health hazard and cause damage to the environment.
2. The refuse (waste) also serves as a source of food for rats and small rodents which quickly spread to nearby areas. Rats destroy property, infect by direct bite and spread disease like plague etc.
3. Uncontrolled burning of open dumps can cause air pollution.
4. Improper disposal of solid wastes has resulted in the death of man and animals through contamination of crops or water supplies.