Lots of good planning sites out there, e.g.:

www.ecoiq.com/landuse

www.plannersweb.com

www.aboutplanning.org

The Center for Land Use Interpretation has a great web site www.clui.org.

It has a land use data base that you can search by state or specific land use such as mining sites, military sites, and water sites. From there it gives you new links to more specific sites.

Many planning departments have good web sit4es. Boulder’s is useful:

http://www.ci.boulder.co.us/buildingservices/archived%20pages/index.html

and Boulder’s growth issues are interesting:

www.bococivicforum.org

On Sprawl:

http://www.ti.org/vaupdates.html 

www.sierraclub.org/sprawl

Lots of good environmental issues sites out there, e.g.:

http://www.globalissues.org/EnvIssues/EnvIssues.asp