Question

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

Answer 1

There is a need to harness non conventional source of energy because they are available in abundance and inexhaustible energy sources.
1)they are environment friendly.
2)they are cheaper energy sources.

Answer 2

The need to harness the non- conventional sources of energy is to to ensure sustainable development which means energy conservation and usage in way which which would be be beneficial for the future generations and also conventional sources of energy are good sources of energy because they can provide energy easily for a long time to come.The non conventional sources also do not lead to any emission of gases like carbon monoxide which are harmful for us.So these are sources which are completely different from fuels and nuclear reactions and are necessary to ensure better and sustainable development for the future generations