Disposal Of Kitchen-Waste

Dear, I am happy to raise a major problem of Disposal of kitchen-waste that is facing especially by the people in urban areas in our country.this is a big chalange for municipal corporations that How to dispose the Kitchen-waste economically and without any deteriotion of environment? This problem is more serious for the people that live in multistories in metropolitian cities. You know well that hotels and mess produce a lots of kitchen-wastes daily. Can you suggest that how can we dispose the kitchen-watse? and How to reduce the waste in the kitchen? Welcome yours views and suggestions.