References
Adler, N.E. , T. Boyce , M.A. Chesney , S. Cohen , S Folkman , R.L. Kahn , and S.L. Syme . 1993 . Socioeconomic status and health: The challenge of the gradient . American Psychologist 49 : 15–24 .
Cumes, D. 1998 . Nature as medicine: The healing power of the wilderness . Alternative Medicine 4 : 79–86 .
Hawken, P. , A. Lovings , and L.H. Lovins 1999 . Natural Capitalism . Boston: Little, Brown, and Company .
Moore, E.O. 1981 . A prison environment’s effect on health care service demands . Journal of Environmental Systems 11 : 17–34 .
Must A. , J. Spadano , E.H. Coakley , A.E. Field , G. Colditz , W.H. Dietz . 1999 . The disease burden associated with overweight and obesity . Journal of the American Medical Association 282(16) : 1523–1529 .
National Gardening Association ( 1998 ). National Garden Survey . Burlington, Vt. : National Gardening Association .
National Research Council ( 1999 ). Our Common Journey: A Transition Toward Sustainability . Washington, D.C. : National Academy Press .
Ulrich, R.S. 1984 . View through a window may influence recovery from surgery . Science 224 : 420–421 .
Wilson, E.O. 1993 . Biophilia and the Conservation Ethic . In: The Biophilia Hypothesis . Kellert, S.R. , and E.O. Wilson , eds. Washington, D.C. : Island Press .
