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| | Jeffrey R. Holmstead, " Thirty Years of Clean Air Progress" , eJournal USA: Global Issues, June 2005 |
 | | In fact, it was not until the Clean Air Act of 1963 that the United States began to focus its attention on the link between air pollution and public health. |
 | | Under the Clean Air Act, the Environmental Protection Agency (EPA) has focused on six key air pollutants that have a significant impact on public health and the environment: ozone, particulate matter, carbon monoxide, nitrogen dioxide, sulfur dioxide, and lead. |
 | | Because transportation sources are the largest contributor to air pollution in urban areas of the developing world, one of EPA's key priorities is the Partnership for Clean Fuels and Vehicles (www.unep.org/PCFV), launched at the World Summit on Sustainable Development in South Africa in August 2002. |
| usinfo.state.gov /journals/itgic/0605/ijge/holmstead.htm (2324 words) |
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