Pollution prevention and abatement handbook 1998: towaard cleaner production

অনুযায়ী United nations environment programme
প্রকাশিত 1999

Global environmental outlook 3: Past, present and future prespectives

অনুযায়ী United Nations Environment Programme
প্রকাশিত 2002

World Resources, 1994-95: A report by The World Resources Institute in collaboration with The United Nations Environment Programme and The United Nations Development Programme

অনুযায়ী World Resources Institute in collaboration with The United Nations Environment Programme and The United Nations Development Programme
প্রকাশিত 1995

UNESCO Reports & Studies