Careers in Arboriculture from The International Society of Arboriculture
http://www.isa-arbor.com/

Information about Arbor Day, Tree City USA, and other good stuff
http://www.arborday.org/

General information about urban forestry and trees
http://www.treelink.org/

Information about forestry in Idaho
http://www2.state.id.us/lands/index.htm

Information about Project Learning Tree in Idaho
http://www.idahoforests.org/

Information about Lewiston, Idaho Urban Forestry
http://www.cityoflewiston.org/ufd/index.htm