Nuisance is one of the oldest categories of tort liability in common law systems, dividing into private nuisance and public nuisance. A private nuisance protects an occupier's use and enjoyment of land against substantial and unreasonable interference — typically noise, odors, smoke, vibrations, light, or water intrusion. A public nuisance is an act or omission that materially affects the reasonable comfort and convenience of a class of the public; historically it was a crime, but it also supports civil suits, especially by public authorities or by private claimants who can show special damage beyond that suffered by the community at large.
Courts assess reasonableness by weighing factors such as the locality, duration, intensity, the defendant's purpose, and the sensitivity of the claimant. The leading English authority St Helen's Smelting Co v Tipping (1865) distinguished interference causing physical damage to property from mere amenity loss, with locality more relevant to the latter. Rylands v Fletcher (1868) sits adjacent to nuisance, imposing strict liability for escapes from non-natural use of land. Remedies typically include damages and injunctions; Miller v Jackson (1977) and Coventry v Lawrence (2014, UKSC) illustrate the modern English approach to balancing injunctive relief against damages in lieu.
For researchers in international relations and policy, nuisance doctrine has become salient in climate and environmental litigation. In the United States, American Electric Power Co. v. Connecticut (2011) held that the federal Clean Air Act displaced federal common-law public nuisance claims against utilities for greenhouse-gas emissions, though state-law claims have continued. Municipal suits against fossil-fuel producers (e.g., filings by Honolulu, Baltimore, and several U.S. states from 2017 onward) rely heavily on public nuisance theory. Analogous doctrines exist in civil-law systems under troubles de voisinage (France) and immissions rules in German and Italian property law, though their doctrinal architecture differs.
Example
In *American Electric Power Co. v. Connecticut* (2011), the U.S. Supreme Court ruled that several states' federal public-nuisance claims against power companies over carbon emissions were displaced by the Clean Air Act.
Frequently asked questions
Private nuisance protects an individual occupier's use and enjoyment of land; public nuisance concerns interference with rights common to the general public and historically was prosecutable as a crime.
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