Environmental degradation has become a worlwide concern. This kind of problem may affect the governability and the sustainability of a society. It is important to have reliable data and research results in which informed decisions can be based on. This book focus just on one kind of environmental problem: land cover change in a river watershed due to urban development. The study area is located in Northeast Mexico in San Juan River watershed where Monterrey metropolitan area is found. A computer model (Soil and Water Assessment Tool, SWAT) was used to relate physical characteristics such as...