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Sustainability is a holistic concept that built on three inter-related pillars: environmental, social and economic. To be sustainable, any entrepreneurial activity must be economically viable, ecologically healthy and socially equitable. A universal definition of sustainability was given for the first time by the World Commission on Environment and Development (WCED) in the Brundtland report published under the auspices of the United Nations in 1987.

Sustainable Intensification

Narrowly defined, SI refers to increase food production from existing farmland in ways that place far less pressure on the environment and that do not undermine our capacity to continue producing food in the future. However, Garnett et al. (2013) added the following four premises underlying SI: (a) The need to increase production; (b) Increase production must be met through higher yields because increasing the area of land in agriculture carries major environmental costs; (c) Food security requires as much attention to increasing environmental sustainability as to raising productivity; and (d) SI denotes a goal but does not specify a priori how it should be attained or which agricultural techniques to deploy.