An environmental problem caused by landfills are:
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The environmental problems caused by landfills are numerous. The methane produced by the rotten organic matter in an unmanaged landfills is 20 times more effective than carbon dioxide in trapping heat from the sun. Landfills also create a toxic soup of industrial and home-cleaning chemicals. These chemicals accumulate and are washed away periodically by rain, potentially dragging them toward municipal water supplies and contaminating ground water .Incomplete decomposition in a land fill releases foul gases which is one of the causes of air pollution too.