Background Information
Air pollution occurs when harmful particulate matter, gases, or fumes (or a combination of all three), are introduced into the Earth's atmosphere. Use the following sources to learn more about the environmental impact, political implications, and health consequences of air pollution.
- CQ Researcher This link opens in a new windowProvides original, comprehensive reporting and analysis on issues in the news.
- Environmental EncyclopediaAn encyclopedia of environmental terms, concepts, issues, and biographies.
- Environmental Issues and SourcesIncludes a variety of sources such as books, articles, and reference materials related to worldwide environmental issues. It is organized by topic.
- The Gale Encyclopedia of Public HealthContains entries on air pollution and other public health issues.