I agree, but the argument sounds like greenwashing. Sure, it's possible that PoW could be run from green energy, but what's the likelihood of that happening? ho

I agree, but the argument sounds like greenwashing. Sure, it's possible that PoW could be run from green energy, but what's the likelihood of that happening? how do we get there? I offered some suggestions (ban unregulated large-scale mining, connect farms to specific green grids), but I doubt Bitcoin fans will like them. :)