"The survey findings estimate that on average 39 per cent of proof-of-work mining is powered by renewable energy" according to https://www.jbs.cam.ac.uk/faculty

"The survey findings estimate that on average 39 per cent of proof-of-work mining is powered by renewable energy" according to https://www.jbs.cam.ac.uk/faculty-research/centres/alternative-finance/publications/3rd-global-cryptoasset-benchmarking-study https://www.jbs.cam.ac.uk/faculty-research/centres/alternati...