For example, this was the case for arid and semi-arid areas where lawn irrigation and planting changed the ecosystems from shrub lands and desert to deciduous forests.

Humans tend to congregate where the best resources are. Is it wise to take the best soils and turn them into parking lots?

As population increases we are going to have to rely on our soil resources more and more. Because of their style of consumption, in Europe the amount of land needed to support urban areas is...

In countries like Egypt, where there is not much arable land and all the urbanization is taking place along the Nile River, in terms of local food supply it is a serious issue.