Question

why is there a need to harness non-conventional source of energy? Give two main reason.

Answer 1

Other than this the other reasons are
abundant
renewable
pollution free
eco friendly

Answer 2

$\huge\tt\purple{Reasons☞}$

1. Conventional sources are an exhaustible source of energy and they will get exhausted in the near future.
2. Non-conventional source of energy did not lead to environmental pollution.