Question

why sustainable development is necessary? (in big para)​

Answer 1

Answer:

Sustainable development encourages us to conserve and enhance our resource base, by gradually changing the ways in which we develop and use technologies. Countries must be allowed to meet their basic needs of employment, food, energy, water and sanitation.

Explanation:

Hope its helpful.

Answer 2

Explanation:

Sustainable development is important for economic growth because: 

(i) Environment must be conserved while development is taking place. 

(ii) Resources must be used in such a way that something is conserved for future generations. 

(iii) The standard of living of all people must be raised.

Measures to ensure sustainable development: 

(i) We should focus on using renewable resources and keep inventing new techniques to decrease the use of conventional resources. 

(ii) The present resources must be used judiciously, with planning, and over exploitation should be avoided.

you also can write it in big paragraph