Protecting our planet, securing our future : linkages among global environmental issues and human needs - Watson, Robert T.; United States. National Aeronautics and Space Administration; United Nations Environment Programme; World Bank. ([Nairobi, Kenya?] : United Nations Environment Programme; Washington, D.C. : U.S. National Aeronautics and Space Administration, and The World Bank, 1998)
"November 1998".
Includes bibliographical references : p. 95.
Keywords: Human ecology; Environmental indicators; Environmental monitoring