Question

explain briefly why man is trying to use more and more of solar energy in the place of coal and petroleum

Answer 1

Hola

Here is your answer

People are using more solar energy than coal and petroleum as solar energy is renewable energy while the coal and petroleum are the Non-renewable energy.
Solar energy is also pollution free while coal causes pollution.

Answer 2

Man is trying to use more and more of solar energy in the place of coal and petroleum because, solar energy is renewable source of energy whereas coal and petroleum are non-renewable source of energy.

Explanation:

Solar energy is obtained from sun and it is cheap and it is pollution free energy. On the other hand, coal and petroleum are obtained from remains of trees and plants decomposition after millions of years. Combustion of petroleum causes pollution.