there is no reason to say bitcoin is bad for the environment, only some people say bitcoin is bad for the environment, bitcoin has long been founded by satoshi nagatomo, why only now there are so many debates like that, if bitcoin really damages the environment why not prevent it in the first place..
I can say those dudes that is saying that bitcoin is bad to environment never come with bitcoin fully, looking at what cryptocurrency has done to the environment is opened to everyone even to our newbies such as humans offsprings know that bitcoin is the light of world currently, I Know in future everything will be going to bitcoin.