Legacy Waste

News:National Green Tribunal (NGT) has directed a committee to assess the amount of damage caused to the environment due to the legacy waste in Delhi.


  • Legacy wastes are the wastes that have been collected and kept for years at some barren land or a place dedicated for Landfill (an area to dump solid waste).
  • It is grouped into four categories: a) Contained and stored waste b) Buried waste c) Contaminated soil and groundwater and d) building materials and structures waste.
  • Bio-mining method has been proposed by the Central Pollution Control Board(CPCB) for the effective disposal of legacy wastes.

Additional Facts:

  • Biomining:It is the technique of using microorganisms(microbes) for the extraction and segregation of minerals such as rubbers, metals, textiles from mounds of waste.