Used GIS, remote sensing system and GPS to develop the landuse-habitat map and pollution source spatial database for the city. The study area has over 7000 km2 of varied landuse developments. The project had made used SPOT-5 and Landsat 7 ETM+ satellite data to carry out supervised classification on the major landuses of the city. It had also developed a customised GIS for the client by using the ArcGIS and MapObject, to provide an interface to access all sorts of created environmental data of the city. Part of the service was to provide technical support and trainings to the local users to improve their GIS operating capability.