To provide the public a convenient way to access the environmental data, EPA has combined letter and numeral environmental data, as well as geographic map data to establish the portal website for integration environmental database system. It integrates styles and models of each system and add the searching mechanism to provide the public an easier and more convenient data supplying window. Except the new-constructed integration environmental database system, EPA has published 100 exquisite themes and manufactured online electronic book for downloading. National environmental geographic data themes edition is compiled to popularize the effort of map data construction. The results of the project are: 1. Integration system setting and being the portal that integers letter, numeral and map data. The environmental data searching mechanism is established by AJAX technique and correlated words and phrases. The users can easily view the searching result of 7 classes and display the detailed data by inputting keywords. 2. Enhancing the environmental geographic data inquiring system by importing elevation terrain data. The environmental geographic database is abundant since it provides 3 searching methods of points, lines, and areas. Data sharing mechanism and system function is established so that environmental data is provided by API service for outer organizations. 3. Establishing the management system for letter, numeral and map data. It makes system manager control the data immediately favorable through the management tool. The tool provides functions such as data transformation, instant integrated data acquiring, news platform, geographic map data updated interface, joint data exporting. 4. Editing and Publishing the illustrated environmental protection theme book and electronic book manufacture. 100 exquisite themes are developed reusable for any other organizations. Priority topics are chosen from the themes with description and art designing for national environmental geographic data themes edition which is to popularize the effort of map database construction. 5. By applying technique of Web Map Service and joining NGIS alliance of MOI, the data sharing is promoted and providing 33 kinds services of viewing map data.

Environmental database, Geographic Information System, GIS, Data Integration