Below are on-line resources for green infrastructure planning and smart growth initiatives.
Green Infrastructure Center, Inc. Charlottesville, VA
http://greeninfrastructurecenter.org/index.htm
The Conservation Fund
http://www.greeninfrastructure.net/
US Environmental Protection Agency
http://cfpub.epa.gov/npdes/home.cfm?program_id=298
Maryland's Green Infrastructure, Maryland Department of Natural Resources
http://www.dnr.state.md.us/greenways/gi/gi.html
Virginia Department of Conservation and Recreation, Natural Heritage
http://www.dcr.virginia.gov/natural_heritage/vclnagrn.shtml
Smart Growth Network
http://www.smartgrowth.org/Default.asp?res=1280
US Environmental Protection Agency
http://www.epa.gov/dced/
Natural Resources Defense Council
http://www.nrdc.org/smartgrowth/default.asp
USDA Natural Resources Conservation Service, National Conservation Practice Standards
http://www.nrcs.usda.gov/technical/Standards/nhcp.html
US Green Building Council, LEED for Neighborhood Design
http://www.usgbc.org/DisplayPage.aspx?CMSPageID=148
River Basin Center, University of Georgia, "A toolkit for the evaluation of land parcels for green space planning"
http://www.rivercenter.uga.edu/publications/pdf/toolkit.pdf
US Geological Survey, Wetland Functions, Values, and Assessment
http://water.usgs.gov/nwsum/WSP2425/functions.html