Impacts of urbanization on stream water quantity and quality in the United States
Since the 1950s, the world’s urban population has grown more than 400% to 3.9 billion today. About 60% of the total population is expected to live in urban areas by the year 2025. For the United States (U.S.), 80% of the population lives in urban areas. The Earth has entered into the Anthropocene, a new geological epoch dominated by urbanization and people.
Requesting Print Publications
Publication requests are subject to availability. Fiscal responsibility limits the hardcopies of publications we produce and distribute. Electronic versions of publications may be downloaded, distributed and printed.
Please make any requests at firstname.lastname@example.org.
- This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
- Our on-line publications are scanned and captured using Adobe Acrobat. During the capture process some typographical errors may occur. Please contact the SRS webmaster if you notice any errors which make this publication unuseable.
- To view this article, download the latest version of Adobe Acrobat Reader.