Kahn’s (1995) approach to the sustainable development theory is consistent with the modern day development techniques of Europe 2020 priorities; smart growth, sustainable growth and inclusive growth. The adoption of some innovative strategies such as the utilisation of renewable energy as an integral part of the energy mix could result in growth of the economy, which will eventually trickle down to the poor or extend to the rural or disadvantaged areas of the country. The social sustainability generally explains the idea of equity among the people, empowerment, participation, accessibility and institutional stability. It seeks to ensure a good standard of living in the country by alleviating poverty. Environmental sustainability seeks to explain the ways in which exploitation and utilisation of the natural resources will not be made to negatively affect the environment or the health of human beings (Kahn 1995). Environmental sustainability considers the ways through which resources will not be used up faster than they are being replenished, and the transition toward low carbon emissions despite the increasing population.

Figure 3.1: The Three Pillars of Sustainable Development

Source: Kahn (1995)

The theoretical framework used by Kahn explains the need to integrate and appropriately co-ordinate the economic, social and environmental units of a country to achieve sustained social and economic development. In other words, to realise qualitative growth rather than