"Percentage of people in the Third World with access to drinking water and sanitation, 1970–2000. Light, broken lines indicate individual, comparable estimates, solid lines is a logistic best fit line – a reasonable attempt to map out the best guess of development among very different definitions. Source: World Bank 1994:26 (1975–90), WHO 1986:15–18 (1970–83), Gleick 1998:262, 264 (1980–90, 1990–4), Annan 2000:5 (1990–2000)."
Licensing
Public domainPublic domainfalsefalse
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.