Before the arrival of motorized transport horse drawn traffic was the main stay of all major cities. In Newyork alone there were more than 100000 horses which produced more than a million kilo of horse manure which had no system for disposal. Millions of flies bred on this manure creating yet another urban public health issue. The problem was faced by cities after cities around the world. But there was no solution.

Urban solid waste management remains a challenge around the world even now. Cities big and small, from countries developed and developing face major challenges in dealing with waste management.

Anything which is solid and is considered by its owner to be not worthy of continued use become a solid waste. The composition of the solid waste varies vastly depending upon the economic situation of a society while used automobiles and white goods are a major component of urban solid waste in developed countries. The culture of repair, reuse, and recycling in developing countries ensures that these do not end up in the waste piles.

Solid waste can be classified into seven

1.Household solid waste

2.Agricultural solid waste

3.Industrial solid waste

4.Waste from ships and Aircrafts

5.Hospital waste

6.Demolition of debris

7.Waste created by conflicts and disasters

US Environmental Protection Agency (EPA)hazardous waste is waste that is dangerous to our health or the environment. The following waste are often considered hazardous.

1.Industrial chemicals


3.Waste from oil Industry

4.Batteries and fluorescent lamps

5.Medical waste

6.Radioactive waste

7.Discarded pharmaceutical products

8.Discarded asbestos

9.Mixed Waste

In the last century Reduction, Reuse and Recycle (3R approach) reached significance. There are some global issues in waste management that is Trans boundary movement of waste, Technology transfer for waste management and disappearing land fills and it goes on……..