After the user makes it through the Introductory Form, the user will be ready to explore the data from the main menu. The main menu is the users’ window to:

• Identify the datasets of immediate interest
• Data input, data modification, trend analysis and data export

The main menu governs the overall system and the organization of the database is visually reflected on the main menu as shown in the figure above. At the fist level, the database is organized into sectoral categories. Considering the GHG emission as the issue, Pressure State Response model is utilized to organize the database within the sectors to allow the users to identify datasets of immediate interest. In addition to the GHG inventory, Other relevant information are also included in the database as shown in the main menu.