Perhaps this is another answer to these environmental concerns? https://medium.com/poa-network/poa-network-partners-with-makerdao-on-xdai-chain-the-first-ever-

Perhaps this is another answer to these environmental concerns? https://medium.com/poa-network/poa-network-partners-with-makerdao-on-xdai-chain-the-first-ever-usd-stable-blockchain-65a078c41e6a https://medium.com/poa-network/poa-network-partners-with-mak...