Question

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

Answer 1

1. Our demand for energy is increasing to improve quality of life and growth of population

2. Fossil fuels are limited

Answer 2

$\huge\tt\red{Reasons☞}$

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.