Question

What are the advantages of using energy judiciously

Answer 1

its saves energy for the next generation
it will reduce depletion of energy
it will maintain our ecological balance.

Answer 2

if we will use our energy sources judiciously then in future we will not face the shortage of these resources which initially benefit us. Whereas if we use them faster than they are renewed then in a very short period of time they will become less or may extinct