Personal view

• ·         Sustainable is reuse and environmental friendly process of using materials and other every things. Sustainable development is the way of developing the uses of resources and introduce new resources that are environment friendly. If there is sustainable development the environment pollution will be less.(Bandara K.M.R.C. 162724U)

• ·         Sustainable development is a development that fill the needs of present generation without compromising the ability of future generation to fill there own needs when their time.(Wijayathilaka J.T.I. 162685A)

• ·         Sustainable building has few characteristics

1.            Eco-friendly   
2.            Recyclable
3.            Bio degradable
4.       Low embodied energy
5.           Low material wastage

Eco friendly means that building should friendly for the nature.

And the materials should recyclable.used materials can be reuse.bio degradeble means material should decay automaticaly with time.and low embodied energy and low material wastage also sustainable development points.use low amount of material and get high output.so if any building follow above things,we called it as sustainable development(Pathmasiri s.k.u.h. 162661X)

• ·         Sustainability is environmental friendly, more cheaper, more durable, more economical and prosperity. It can be apply for any equipment or construction. Therefore sustainability development is trying to create more environmental friendly and prosperous thing.(Fernando M.H.V. 162621C)

• ·         Sustainable development is the process of achieving human development targets in an environmental friendly and economical manner in order to provide natural resources and services for the use of economy and society.( Kavinda H.L.G.A 162641L)

Literature review

“Sustainable development involves devising a social and economic system which ensures that these goals are sustained, i.e. that real income rise, that educational standards increase, that the health of the nation improves, that the general quality of life is advanced” (Pearce, Makandia and Barbier, 1989)

“In principal, such an optimal policy would seek to maintain an acceptable rate of growth in per-capita real incomes without depleting the national capital asset stock or the natural environmental asset stock.”(Elliott, 1962)

“Sustainable development means securing a growth path that provides for the needs of the present generation without compromising the ability of future generations to meet their own needs.” (Sampson, 2005)

Critical review

According to the above definitions, sustainable development is described as a development of social and economic system in educational, economical, health of nation improves in environmental friendly and economical way, and concentrating on saving the resources for the future generation by promoting reuse and recycling of materials.   

References

Elliott, J. (1962). An intorduction to sustainable development. Milton park, Abingdom: Routledge.

Sampson, G. (2005). The WTO and Sustainable Development. Tokyo: United Nations University Press.