20130725

Author : Steve Frolking, Tom Milliman, Karen C Seto and Mark A Friedl
Year :  2013
Title : A global fingerprint of macro-scale changes in urban structure from 1999 to 2009
Journal : ENVIRONMENTAL RESEARCH LETTERS
Comment :  They report large increases in built-up infrastructure stock worldwide and show that cities are expanding both outward and upward. Increases in built-up infrastructure are highest in East Asian cities, with Chinese cities rapidly expanding their material infrastructure stock in both height and extent.

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20140731

The concurrent decline of soil lead and children’s blood lead in New Orleans