Mohammad Taghizadeh - PhD,Urban- planning, Tehran university
Reza Bahmani - PhD student, Excutive managemeant, Islamic azad university central Tehran branch
Behnaz RaheliNamin - PhD, Environmental pollution, Waste Management Organization of Robatkarim

open dumping of waste or disposal without waste engineering principles in the environment along with precipitation, increase the leachate from these wastes. The main and fundamental reason is the attention of scientific societies to the issue of leachate pollution, the possible risk of contamination of water and soil resources by leachate and gases emitted from it, that cause to the dangerous and deadly consequences. Therefore, in this paper, the destructive effects of leachate on the environment and ways to reduce leachate production are discussed.

Waste Managmaent, leachate, Soil quality, groundwater resource