Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

Pollution

Pollution is the introduction of contaminants into the natural environment that cause harm. Pollution can take the form of any substance (solid, liquid, or gas) or energy (such as radioactivity, heat, sound, or light). Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants.

History & Applications

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around Pollution. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

Definitions and types

Natural causes

Human generation

Effects

Regulation and monitoring

Control

Cost

Dirtiest industries

Socially optimal level

History

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

Pollution

Nodes345
Edges344
Triples209
Avg. degree1.99
Density0.005797
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

Pollution

Top relations

related to Further reading · 41
Pollution → Adam, Alexander Clapp, America's Great Coal Catastrophe, April, Books, Brown, Caroline Fraser, City, Citylife, Colin McFarlane, Coming, Deception, Environmental History, Environmental Reform, Incompetence, Jared Sullivan, JSTOR, Justice, Knopf, Little
related to Human health · 18
Pollution → Adverse, AIDS, An October, Anthropocene, China, China's, Earth's, GeoHealth, Health, In, India, Lancet Commission, Ozone, PM2, Studies, The, United States, US
related to Human generation · 15
Pollution → About, Agricultural, Americans, China, CO2, In, India, Japan, Mexico, Motor, Principal, PVC, Russia, The United States, United States
related to 20th and 21st century · 12
Pollution → American, As, Berlin, British, By, Chicago, Cincinnati, Imperial German, Los Angeles, Martin Melosi, The, United States
related to 19th century · 9
Pollution → August Bebel, Berlin, Europe, Great Stink, In, London, Reformers, Thames, The Industrial Revolution
related to Cost · 9
Pollution → Because, For, Goods, If, In, Manufacturing, Sometimes, The, US
related to Definitions and types · 9
Pollution → According, Adam Rome, Any, In, Protection Agency, The, The United States Environmental, United Nations, Various
related to Devices · 9
Pollution → Activated, Aerated, Air, DAF, Industrial, Powdered, Primary, Secondary, TowerThermal
related to Prior to 19th century · 9
Pollution → According, Air, Chinese, Core, Greek, Greenland, Metal, Roman, Science
related to Regulation and monitoring · 8
Pollution → Air, At, Historically, Jurisdictions, The, To, United States, Water

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

air water environmental waste cause environment soil pollutants also human one health chemical policy industry million global caused natural contaminants

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Pollutioncausesan increase in violent crime0.90text
Pollutionis aintroduction of contaminants into the natural environment that cause harm0.90text
Pollutionis aexample of a negative externality in production0.90text
arsenicinstance ofVolcanic emissions also include fine and ultrafine particles which may contain toxic chemicals and substances0.80text
leadinstance ofVolcanic emissions also include fine and ultrafine particles which may contain toxic chemicals and substances0.80text
and mercury.Wildfiresinstance ofVolcanic emissions also include fine and ultrafine particles which may contain toxic chemicals and substances0.80text
which can be caused naturally by lightning strikesinstance ofVolcanic emissions also include fine and ultrafine particles which may contain toxic chemicals and substances0.80text
are also a significant source of air pollutioninstance ofVolcanic emissions also include fine and ultrafine particles which may contain toxic chemicals and substances0.80text
carbon dioxide in the atmosphere are affecting the Earth's climateinstance ofplastic pollution will be disastrous and will eventually outweigh fish in oceans.Raised levels of greenhouse gases0.80text
persistent organic pollutants in the Stockholm Convention on Persistent Organic Pollutants created in 2001instance ofmore widely dispersed chemicals0.80text
such as PCBsinstance ofmore widely dispersed chemicals0.80text
and the Kyoto Protocol in 1997 which initiated collaboration on addressing greenhouse gases to mitigate climate changeinstance ofmore widely dispersed chemicals0.80text

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.