An Abatement describes the reducing the degree or intensity of, or eliminating, pollution.

The term abatement may also refer to any one of the following:

• the process or state of being abated, or a reduction, decrease, alleviation or mitigation
• Abatement of debts and legacies, a common law doctrine of wills that states that if the assests of a deceased person are insufficient to satisfy their creditors, the former's debts are abated proportionally, and the latter must accept a dividend
• Abatement in pleading (or plea in abatement), a legal defense based on procedural or technical issues in a criminal or civil case
• Abatement (or rebatement), an augmentation to a shield or coat of arms imposed by royal decree or heraldic authority for misconduct
• Asbesos abatement, the removal of asbestos in a structure
• Bird abatement (or bird control)
• Dust abatement, the process of inhibiting the creation of excess soil dust
• Graffiti abatement, an effort or program enacted by various parties in order to reduce or eliminate graffiti vandalism
• Marginal abatement cost curve (or MAC curve), a set of tools and options available to an economy in order to understand and reduce pollution
• Noise control (noise mitigation, noise abatement), a set of methods or strategies used in order to reduce noise pollution
• Nuisance abatement, an effort or program enacted by various parties in order to improve the quality of life and resolve safety issues within neighborhoods
• Tax holiday (tax abatement, tax subsidy, tax reduction), a temporary reduction or elimination of a tax, sometimes used as an incentive by a governement in order to encourage business investment