(i) Development is a process which has a notion of going further up and improving the quality of life. (ii) It is linked to sustainability since it has to be maintained for future generations. (iii) Resources need to be used wisely so that they can be replenished. (iv) Overuse of resources exhaust them. For example, petroleum. (v) If development is not sustainable, it will give rise to environmental degradation and become a global problem.