Looking Forward to a Greener Ethereum in 2022DeFi News, The Year in Review / By yyctrader / January 3, 2022 January 3, 2022 / DeFi, Energy Use, ETH, Ethereum Blockchain, Ethereum News, Merge, Proof of StakeEthereum’s transition to Proof-of-Stake this year is expected to cut energy use by 99%.