Current demographic trends indicate that a growing proportion of the human population is or soon will be urban. In fact, more than 80% of the entire U.S. population already lives in urban settings (U.S. Census Bureau data, 2001.)
"Patterns of Land Use Change at the Urban-Rural Interface: An Opportunity for Urban Natural Resource Management,"
Ames Forester: Vol. 88
, Article 9.
Available at: https://lib.dr.iastate.edu/amesforester/vol88/iss1/9