UNDERSTANDING WASTES- ITS TYPES AND SOURCES
Wastes includes all those items that people no longer have any use for ,which they either intend to get rid or have already discarded. Wastes are all those items that are required by law to be discarded. 'waste' is a much debated term, since what is waste to someone may be valuable to another. Nature fies not create waste, it is a fallout of our modern lifestyles. What needs no debate is ,waste has to be classified and understood to be able to manage. Waste management is vital to keep the environment unpolluted and clean. CLASSIFICATION OF WASTE Waste can be classified in different ways and this varies from country to country. Classification based on Physical state Waste can be solid ,liquid or gaseous. Liquid wastes that are discharged into water bodies are called effluents, whereas wastes that are released into the atmosphere are referred to as emissions . The sources of such wastes could be municipal, domestic, agricultural or industrial. Gaseous emissio...