Several major blockchains switched to proof of stake which uses virtually no power so that's some progress. Bitcoin is still using proof of work. Bitcoin miners

Several major blockchains switched to proof of stake which uses virtually no power so that's some progress. Bitcoin is still using proof of work. Bitcoin miners are trying to use the cheapest power available which in many cases is renewable but Bitcoin mining is increasing load on the grid faster than capacity can be added, so effectively their demand is keeping old dirty power around.