Well, I am a power hungry beast. However, in recent years, I have tried to limit that by purchasing an eco-boost pickup truck. Yes, I have to have a truck. I haul and tow all the time. I know it isn't much, but for me, it is considering the beast pickup trucks I used to buy. I also signed up for the recycling program we have here. I also changed (expensive) all our light bulbs to LEDs.
Now, if I could just get those costly solar panels I want, I would be doing better. But, it takes time. People do not change overnight and the cost of change is well, pretty spendy.