Abstract
From 1950 to 2014, the proportion of the world's population living in urban centers has increased from 30% to 54%, and the United Nations' World Urbanization Prospects: The 2014 Revision estimates this number will reach 66%, or 6.3 billion, by 2050. Nearly 90% of this growth is projected to occur in Africa and Asia, which today remain mostly rural.
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CITATION STYLE
APA
Gardner, C. B., Lyons, W. B., & Long, D. T. (2014). Defining Urban Geochemistry. Eos, Transactions American Geophysical Union, 95(49), 460–460. https://doi.org/10.1002/2014eo490007
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