Overall no but mainly from wasteful business usage without any real return. If an individual uses one instead of like streaming video or such to entertain themselves then im not sure they are not using less electricity than they otherwise would. If they are using it for searching and can get a response that is equivalent to several searches in one query then it just might break even. I they are minipulating images or creating content and they otherwise might use other software to do. Well I don't know as I have not done a comparison and I have a suspicion that its to variable to get a good call but I would not be surprised if it ends up being pretty even. The other real problem is people doing things they otherwise would not. So before people who spent a lot of time learning and getting good at it made digital art but now its whoever and many are making things of far less value than they think it is. Also they might tell it to do the same thing again and again and it pretty much remakes the whole thing whereas a human would be just editing it a bit. The result is a bit like graffitti. A lot of garbage for the resources used but sometimes someone here and there does something good.