Write an essay on the sources of waste.
Answers
1. Municipal solid wastes:
These are solid wastes from home, offices, stores, schools, hospitals, hotels etc. These domestic solid wastes one usually, thrown in municipal garbage collecting cans or on road side open waste lands. They are collected by municipality vehicles to certain garbage disposal site. They are dumped over a large area of land which becomes the breeding ground of flies and rats. Usually they are not burnt to reduce the volume because burning would cause air pollution which is still more dangerous.
2. Industrial Solid Wastes:
Most of the toxic industrial wastes are dumped on waste lands for slow and gradual decomposition. Some industries dump their effluents on barren land, road sides creating very unhygenic environment for the local population. Some of the effluents have heavy metals which pollute the ground water through seepage during the monsoon season. Some heavy metals have been found slowly accumulating on formland soils. One such most toxic heavy metal is cadmium which is present in traces in some fertilizers.
3. Mining solid wastes:
They include mine dust,