- Fellow American Society of Landscape Architects FASLA, 2011
- Honorary Royal Designer for Industry Award HonRDI, Royal Society for the Encouragement of the Arts, Manufactures and Commerce RSA, 2009
- British Association of Landscape Industries Award Regeneration Category, 2008
- Tenure Professor in Practice, Harvard University, Graduate School of Design, 2007
- Chicago Athenaeum Award for Best New Global Design, 2007
- American Society of Landscape Architects Honor Award, 2007
- Honorary Doctor of Science HonDSc, University of Ulster, Belfast, 2007
- Urban Land Institute Award for Excellence, 2006
- Cooper-Hewitt National Design Award, 2006 Gold Medal, Tau Sigma Delta Society, 2005
- Honorary Fellow HonFRIBA, Royal Institute of British Architects, 2005
- Women in Design Award for Excellence, Boston Society of Architects, 2005
- Play and Leisure Award, 2003
- Award for Innovative Transportation Planning, New American Planning Association, New Mexico Chapter, 2001
- Bracken Fellow, Pennsylvania State University, Department of Landscape Architecture, 2001
- Federal Design Achievement Award, National Endowment for the Arts, 2000
- American Society of Landscape Architects Merit Award, 2000
- National Design Citation, General Service Administration Design Awards, 1998
- Phillip N. Winslow Landscape Design Award, The Parks Council New York, 1997
- American Society of Landscape Architects Honor Award, 1997
- Toronto Urban Design Award, City of Toronto, 1997
- President‘s Award of Excellence, American Society of Landscape Architects Award, 1997
- National Design Citation, General Service Administration Design Awards, 1997
- American Society of Landscape Architects Honor Award, 1991
- American Society of Landscape Architects Merit Award, 1991
- Resident, American Academy in Rome, 1991 Fellow, Urban Design Institute, 1990
- American Society of Landscape Architects Merit Award, 1990
- American Society of Landscape Architects Design Award, 1990
- Atlanta Urban Design Award, 1987 Artist in Residence, Radcliffe College, 1987
- Visiting Artist in Residence, Villa Romana, Florence, 1983