| Term | Definition |
| urban | land that is covered mainly by buildings an roads |
| rural | land that contains relatively few people and large areas of open space |
| ecolsystem services | the resources that are produced by natural and artificial ecosystems |
| urbanization | the movement of people from rural areas to cities |
| infrastructure | all of the things that society builds for public use |
| urban sprawl | rapid expansion of a city into the countryside around the city |
| heat island | the increase temperature in a city caused by trapping ot the heat |
| geographic information system | a computerized system for storing, manipulating and viewing geopraphic data |
| overgrazing | allowing animals to graze on land so much that they damaged the land |
| deforestation | the clearing of trees from an area without replacing them |
| Wilderness | an area in which the land and the ecosystems is supports are protected from all exploitation |