| PUBLIC PROJECTS | 2010 | The Fargo Project, Fargo, ND |
| 2009 | A Watershed Project for the Confluence, North Riverfront Park, St. Louis, MO |
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| 2007-09 | Veden Taika (The Magic of Water), Halikonlahti Islands, Salo, Finland |
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| 2005-08 | Roosevelt Community Center, San Jose, California |
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| 2004-05 | Envisioning McKeesport, PA, sponsored by Three Rivers Second Nature Carnegie Mellon University |
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| 2003 | The River Röder Park, Grossenhain, Germany |
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| 2003-04 | Dreher Park, West Palm Beach, Florida |
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| 2002-09 | Laughing Brook, Salway Park, Cincinnati, Ohio |
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| 2002-03 | Art and Community Landscapes, National Park Service Projects in Tillamook, OR, Puyallup, WA, and Caldwell, ID |
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| 2001 | The Gift of Water, Grossenhain, Germany |
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| 1998 | Ruth Park Woods, St. Louis, MO, Concept Plan |
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| SOLO EXHIBITIONS | 1998 | Of Earth and Cotton/Missouri Gallery 210, University of Missouri, St. Louis, IL |
| 1997 | Native Tounges
Fundacio Joan Miro, Centre d’Estudio d’Art Contemporanó; Barcelona,
Spain |
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| 1996 | Of Earth and Cotton University of North Texas Art Gallery, Denton, TX |
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| The National Civil Rights Museum, Memphis, TN |
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| 1995 | Diggs Gallery, Winston Salem State University, NC |
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| The Hunter Museum of Art, Chattanooga, TN |
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| The Columbus Museum, Columbus, GA |
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| 1994 | McKissick Museum, Columbia, SC |
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| 1991 | Pamela Auchincloss Gallery, NYC |
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| 1984 | Oscarsson-Hood Gallery, NYC |
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| 1983 | Wheaton College, Norton, MA |
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| 1982 | Oscarsson-Hood Gallery, NYC |
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| SELECTED GROUP EXHIBITIONS | 2013 | Play with Nature—Played by Nature, Satoshi Koyoma Gallery, Tokyo |
| 2012 | Westlake International Sculpture Exhibition, Hangzhou, China |
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| 2011 | Organic Sculpture/Biomorphic Forms. Hans Arp in Dialogue with Contemporary Artistic Postions, Arp Museum Bahnhof Rolandseck,” Remagen, Germany |
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| Nurturing Nature, Concordia Coll., Bronxville, NY; Albright Coll., Reading, PA |
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| 2010 | Remediate/Revision, Wave Hill, Bronx, NY |
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| 2009 | Tikkunim, Jewish Roots/Ecological Art, Howard House, Seattle, WA |
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| 2008 | Vedenkeirto/Waterways Halikonlahti Green Art II, Salo Art Museum, Salo, Finland |
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| 2007 | Called to Action, Art Sites, Riverhead, NY |
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| Water Works, Bowling Green State University, Ohio |
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| 2006 | The Drop, Exit Art, New York City |
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| 2005 | Groundworks, Carnegie Mellon University, Pittsburgh, PA |
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| 2004 | Pilot project Landschaftspark Bärwalder See, Goerlitz and Weisswasser, Germany |
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| 2003 | Designing the Highline, Grand Central Station, New York, NY Advisor Selection Award |
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| Cultura 21, Kunst und Zukunftsfähigkeit im Ländlichen Raum, Grossenhain, Germany |
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| Pilotproject Landschaftspark Bärwalder See, Uhyst, Boxberg, and Klitten, Germany |
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| 2002 | Landesgartenschau, Grossenhain, Germany |
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| Ecovention, Contemporary Arts Center, Cincinatti, Ohio |
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| New Faculty, Carpenter Center, Harvard University, Cambridge, Mass |
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| 2001 | Cross-Pollination, Holland Tunnel Gallery, Brooklyn, NY, Los Angeles Arboretum |
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| 2000 | Abundant Invention, Wave Hill, Bronx, NY |
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| Unbottled: New York’s Waters, Hammond Museum, North Salem, NY |
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| Knowing Limits: The Arts as Environmental Lens, Pratt Gallery |
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| Harper’s Ferry Interpretive Design Center, National Park Service |
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| 2017 | Cells, Marianne Boesky Gallery, New York, NY |