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United Nations Definitions

Definition of sustainable development

From Brundtland Commission
(World Commission on Environment and Development) Convened by UN 1983

Purpose

To address growing concern "about the accelerating deterioration of the
human environment and natural resources and the consequences of that
deterioration for economic and social development."

Brundtland Report

Sustainable development is development that meets the needs
of the present without compromising the ability of future generations
to meet their own needs.

 

Definition of sustainability

From UN World Summit Convened by UN 2005

World Summit 2005 Report

At the 2005 World Summit it was noted that sustainable Development
requires the reconciliation of environmental, social and economic demands -
the three pillars of sustainability . This view has been expressed as an illustration
using three overlapping ellipses indicating that the three pillars of sustainability
are not mutually exclusive and can be mutually reinforcing.

overlapping ellipses - 3 pillars of sustainability