Question

why is there a need to harness non-conventional sources of energy? give two main reasons

Answer 1

There are many reasons for it but some reasons are important which i want to share with you all:-
  1.  As you know, the demand of energy is increasing day by day due to increase population and growing use of machine and industrial in order to improve our living standard.

2. the fossil fuels are the non-renewable source of energy and formed million year ago . and it it the fact that fossil fuels are the limited source and it will finish after some years.
             hence, we have to need to harness of non-conventional source of energy.

Answer 2

Answer:

Explanation:

The two main reasons to harness non-conventional sources of energy are:

(i) The population of the world is increasing at a very rapid rate due to which demands for energy is increasing day by day.

As, fossil fuels like coal, petroleum, are present in a limited amount which and are likely to finish one day so the need for alternative sources of energy is essential.

(ii) Use of conventional sources of energy (coal, petroleum etc.) causes pollution. To reduce pollution use of non-conventional sources of energy is essential.