John P. Rafferty
John P. Rafferty
Encyclopædia Britannica Editor
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BIOGRAPHY

John P. Rafferty writes about Earth processes and the environment. He serves currently as the editor of Earth and life sciences—covering climatology, geology, zoology, and other topics that relate to the natural world. Prior to joining Encyclopaedia Britannica in 2006, he held teaching positions at Lewis University, Roosevelt University, and the University of Illinois at Urbana-Champaign.

Follow him on Twitter: @john_p_rafferty

Primary Contributions (296)
urban sprawl
Urban sprawl, the rapid expansion of the geographic extent of cities and towns, often characterized by low-density residential housing, single-use zoning, and increased reliance on the private automobile for transportation. Urban sprawl is caused in part by the need to accommodate a rising urban…
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