Question

The energy that needs to be conserved

Answer 1

As of today, most of the energy is generated from coal powered power plants. These plants do generate energy but also pollute the environment by emitting harmful gases in the atmosphere

Answer 2

The energy is to be conserved because we don`t have infinity source of energy as we have renewable source of energy but it doesn't give as per the requirement so, we burn chole and other fossil fuel to have energy which is near about to over.

I have tried to make the answer as sort and simple because a book can be written on this topic