The more people that are migrating to urban areas (urbanization) needs more crops for the citizens which causes more people to grow crops and without crop rotating or methods to prevent soil degradation. More likely answer is that more industry grows in the urbanized areas and they have poor management of the soil which causes soil degradation<span />
In the medical field the basic ideas of geospatial technology can be applied. Similar to a GPS, doctors have tools to provide pinpoint measurements of information via remote sensing applications such as X-Rays and other body scans. The GIS then can be applied to take the data along with other forms of information to apply a layering of all the information to produce statistical reports. These reports are then analyzed to form a diagnosis and then determine a predictive measurement for a positive effect.
The study of the physical features of the earth and its atmosphere, and of human activity as it affects and is affected by these, including the distribution of populations and resources, land use, and industries.