World Commission on Environment and Development:
"development that meets the needs of the present without
compromising the ability of future generations to meet their own
needs"
Commonwealth Government:
"using, conserving and enhancing the community's
resources so that ecological processes, on which life depends,
are maintained and the total quality of life, now and in the
future, can be increased."
Brundtland
Commission
IUCN,
UNEP and WWF
Australian
Conservation Foundation
Global
Futures Foundation