While this is sad, this is a self correcting problem. Miners and other people using bitcoins are going to get tired at some point of the loss from buying all this energy to keep their bitcoin assets going. The most scary part of cryptocoins is the deflationary cycle that makes these crypto asset potentially displace productive investment on an economy wide scale. This is not self correcting. This is Moloch, it's a pr…
Also there are solutions without PoW/PoS, they use FBA instead. As soon as they take over for any actual use, the energy wasting will come to an end.