There are more than
Sustainability, like other big concepts like democracy, development and globalization, has become one of the most ubiquitous, contested, andindispensable concepts of our time. Practically all disciplines fields have some expansion, specification or applications in relation to sustainability.
The most frequently cited definition ofsustainability by the World Commission on Environment in 1987 emerged from the growing concerns that the degradation of the environment along with population growth would compromise the ability of futuregenerations to expand their prosperity and economic justice.
The following is a list of some recognized definition of sustainability and sustainable development.
1. Brundtland (1987): This is the mostcommonly quoted definition and it aims to be more comprehensive than most:
Sustainable development is development that meets the needs of the present without compromising the needs of futuregenerations to meet their own needs.
It contains within it two key concepts: a) The concepts of needs, in particular the essential needs of the world’s poor, to which overriding priority should be given,and: b) The idea of limitations imposed by the state of technology and social organization on the environments ability to meet present and future needs.
2. Harwood (1990):
Sustainable agriculture isa system that can evolve indefinitely toward greater human utility, greater efficiency of resource use and a balance with the environment which is which is favorable to humans and most other species.3. Pearce, Makandia & Barbier (1989)
Sustainable development involves devising a social and economic system, which ensures that these goals are sustained, i.e. that real incomes rise, thateducational standards increase that the health of the nation improves, that the general quality of life is advanced.
4. Conway & Barbier (1990) from 1,2 & 3:
We thus define agricultural...