Residual waste

An organised waste collection system requires waste to be placed in containers  

Waste to landfill without separate collection means:

• No recovery of valuable materials
• High degree of environmental pollution due to landfills which have a
  potential to produce leachate contaminating the groundwater and
  methane gas for as long as 100 years, so that future generations still
  have to deal with the problem
• Non-degradable materials contaminate the soil, making re-use difficult
• Maintenance of old landfills involves high costs for many decades

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