Information that describes environmental benefits and challenges of urbanization. Include descriptions of two award winners, and how they overcame one of the challenge.s
Since this is not my area of expertise, I searched Google under the key words "urbanization environment award" to get these possible sources:
http://www.nsf.gov/geo/ere/ereweb/awards.cfm?0D4B0B4349400711595E145603444507135B5602125C041C541C4F1D4B14474905
http://www.china.org.cn/english/MATERIAL/170399.htm
http://www.unep.org/geo/yearbook/yb2006/046.asp
http://www.pegnl.ca/dialogue/issues/2003/june_2003/article_20.htm
http://www.hq.usace.army.mil/CEPA/PUBS/apr06/award3.htm
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search.
I hope this helps. Thanks for asking.