Audio s impact on enviroment

It seems to me bigger amps that draw more current and use more electricity are becoming the norm, like SUV's audio manufacturers are not taking responsibility when it comes to designing energy saving components. I was always told to shut off the light when I leave the room, now I have to remember to shut off the stereo. Although reviewers are always touting the benefits of leaving equipment on all the time,I feel it's time to be a little more concerned about the impact this hobby has on the enviroment.