Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Environmental - Media - Air - Outdoor air pollution Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource <h2>Air Emission Sources</h2> Subject The topic of the resource <span>This online mapping tool is available in English. It is intended for students, community members, public health professionals, and environmental health specialists. It provides basic information related to State and County emission summaries for the top six air pollutants. Based on the latest National Emissions Inventory, the site uses charts and Google Earth files to answer a user’s questions. Users can look at overall emissions, emissions by type of industry, or emissions by largest polluter.</span> Description An account of the resource <a target="_blank" href="http://www.epa.gov/air/emissions/where.htm" rel="noreferrer noopener">http://www.epa.gov/air/emissions/where.htm</a>