Here is a list of some good websites that offer information about Urban Forestry and Tree Care:

American Forests
http://www.americanforests.org/

Human Dimensions of Urban Forestry
http://www.cfr.washington.edu/research.envmind/

Louisiana Urban Forestry Council
http://www.louisianaurbanforestry.org/

LSU Ag Center
http://www.lsuagcenter.com/

Northeast Center for Urban Forestry
http://na.fs.fed.us/urban/index.shtm

National Arbor Day Foundation
http://www.arborday.org/

International Society of Arboriculturehttp://www.isa-arbor.com/

Tree Link
http://www.treelink.org/

Urban Forestry South
http://www.urbanforestrysouth.org/

A Technical Guide to Urban Forestry
http://www.na.fs.fed.us/spfo/pubs/uf/techguide/toc.htm

Horticulture on the Internet – Trees
http://www.ces.ncsu.edu/depts/hort/consumer/hortinternet/trees2.html

Smart Growth>
http://www.smartgrowth.org/

Smokey Bear (For Kids)
http://www.smokeybear.com/

Cool Communities
http://www.coolcommunities.org/