title: Abatement
text: Abatement refers generally to a lessening, diminution, reduction, or moderation; specifically, it may refer to:
  
   421-a tax abatement, property tax exemption in the U.S. state of New York
   Abatement of debts and legacies, a common law doctrine of wills
   Abatement in pleading, a legal defense to civil and criminal actions
   Abatement (heraldry), a modification of the shield or coat of arms imposed by authority for misconduct
   Asbestos abatement, removal of asbestos from structures
   Bird abatement, driving or removing undesired birds from an area
   Dust abatement, the process of inhibiting the creation of excess soil dust
   Graffiti abatement, a joint effort between groups to eliminate graffiti
   Marginal abatement cost, the marginal cost of reducing pollution
   Noise abatement, strategies to reduce noise pollution or its impact
   Nuisance abatement, regulatory compliance methodology
   Tax abatement, temporary reduction or elimination of a tax
  
  See also
   Abate (disambiguation)