The global 500 : the roll of honour for environmental achievement . - Nairobi, Kenya : United Nations Environment Programme - v. ; 20 cm. - Annual

Description based on: 1990; title from cover. Latest issue consulted: 1987-1992.

91-981068


Environmentalists -- Directories.
Environmental protection -- Societies, etc. -- Directories.
Environmental protection -- Periodicals -- Directories.