This should also be a practice in business establishments, to turn off any electrical appliances, when not anymore needed. Also for civilians to make sure our appliances are not on the standby mode (except refrigerator, of course) when we are not using them. This is one way to protect our one and only planet because this lessens carbon emission.
As has always been said, we have only one PLANET, we should take care of it because losing it would mean losing our very place to stay surviving.
Have a nice day!