Global mapping is a method to analyze the whole earth by the digital data of one kilometer's resolution, which include some basic information on vegetation, land-use, elevation, administration and so on, aiming at dealing with environmental problems at global level. As the solution, using global mapping data, of environmental problems related to construction of infrastructure, some models, such as soil-erosion model, hydrological change model, meso-scale meteorological model, are suggested here as an example of applied environmental models.
