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Clean Air World

Welcome to Clean Air World

The National Association of Clean Air Agencies (NACAA, formerly STAPPA/ALAPCO) welcomes you to Clean Air World. Use this web site to learn about air pollution, find the latest news and information on important air topics and link to governmental air pollution control agencies around the world  

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Did You Know?

Natural gas provides about 25 percent of the energy consumed in the United States. More homes in the United States are heated with natural gas than any other energy sources. When natural gas is burned it produces mostly carbon dioxide and water vapor. These are the same substances emitted when people breathe.