7President's Council on Sustainable Development (PCSD) . The president's Council on Sustainable Development, Towards a Sustainable America--Advancing Prosperity, Opportunity, and a Healthy Environment for the 21st Century. USA: Government Printing Office, 1999. http://clinton2, nara. gov/PCSD/ Publications/tsa. pdf.
8Ulf G. Sandstr0m. Green Infrastructure planning in urban Sweden [ J]. Planning Practice and Research,2002,17 (4) : 373 - 385.
9TEP. Towards a Green Infrastructure Framework for Greater Manchester: Summary Report[ EB/OL]. (2008). http://www. greeninfrastructurenw, co. uk/resources/1547. 055B Summary_ report, pdf.
10TEP. Towards a Green ManchesterFull Report [ greeninfrastructurenw, co. September 2008. df. Infrastructure Framework for Greater EB/OL ]. ( 2008 ). http://www. uk/resources/1547. 058 Final Report.