Our Common Future (the Brundtland Report)

Report of the World Commission on Environment and Development: Our Common Future.
Transmitted to the General Assembly as an Annex to document A/42/427 - Development and International Co-operation: Environment

Our Common Future (the Brundtland Report), from the United Nations World Commission on Environment and Development(WCED) published in 1987.

Definitions of Sustainable Development:

Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs.(World Commission on Environment and Development, 1987, p 43.)

http://www.un-documents.net/wced-ocf.htm

http://worldinbalance.net/intagreements/1987-brundtland.php