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Environmental law

Branch of law concerning the natural environment

  • 33 min read
  • 7 chapters
"The Blue Marble" is a famous photograph of the Earth taken on December 7, 1972 by the crew of the Apollo 17 spacecraft en route to the Moon at a distance of about 29,000 kilometers (18,000 statute mi
NASA · Public domain

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The field emerged prominently in the mid-20th century as industrialization and environmental degradation spurred global awareness, culminating in landmark agreements like the 1972 Stockholm Conference and the 1992 Rio Declaration. Key principles include the precautionary principle, the polluter pays principle, and intergenerational equity. Modern environmental law intersects with human rights, international trade, and energy policy.

Internationally, treaties such as the Paris Agreement (2015), the Kyoto Protocol (1997), and the Convention on Biological Diversity (1992) establish cooperative frameworks for addressing transboundary issues. Nationally, laws like the UK's Clean Air Act 1956 and the US Toxic Substances Control Act of 1976 establish regulations to limit pollution and manage chemical safety. Enforcement varies by jurisdiction, often involving governmental agencies, judicial systems, and international organizations. Environmental impact assessments are a common way to enforce environmental law.

Challenges in environmental law include reconciling economic growth with sustainability, determining adequate levels of compensation, and addressing enforcement gaps in international contexts. The field continues to evolve in response to emerging crises such as biodiversity loss, plastic pollution in oceans, and climate change.

History

Examples of laws designed to preserve the environment for its own sake or for human enjoyment are found throughout history. In the common law, the primary protection was found in the law of nuisance, but this only allowed for private actions for damages or injunctions if there was harm to land. Thus, smells emanating from pigsties, strict liability against dumping rubbish, or damage from exploding dams. Private enforcement, however, was limited and found to be woefully inadequate to deal with major environmental threats, particularly threats to common resources. During the "Great Stink" of 1858, the dumping of sewerage into the River Thames began to smell so ghastly in the summer heat that Parliament had to be evacuated. Ironically, the Metropolitan Commission of Sewers Act 1848 had allowed the Metropolitan Commission for Sewers to close cesspits around the city in an attempt to "clean up" but this simply led people to pollute the river. In 19 days, Parliament passed a further Act to build the London sewerage system. London also suffered from terrible air pollution, and this culminated in the "Great Smog" of 1952, which in turn triggered its own legislative response: the Clean Air Act 1956. The basic regulatory structure was to set limits on emissions for households and businesses (particularly burning of coal) while an inspectorate would enforce compliance.

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