World directory of environmental organizations : a handbook of national and international organizations and programs--governmental and non-governmental--concerned with protecting the earth's resources /
Trzyna, Thaddeus C.,1939-
Margold, Elizabeth.
Osborn, Julia K.
California Institute of Public Affairs.
International Union for Conservation of Nature and Natural Resources.
Sierra Club.
Sacramento, Calif. : International Center for the Environment and Public Policy, California Institute of Public Affairs ; London : Earthscan Publications,
c1996.
Published in cooperation with IUCN--the World Conservation Union and the Sierra Club.
Includes index.
Conservation of natural resources
Environmental protection