"Bitcoin uses more electricity per transaction than any other method known to mankind”... himself a "bitcoin skeptic" ... "it’s not a great climate thing.” ... Alex de Vries, a data scientist at the Dutch Central Bank DNB ... each bitcoin transaction requires an average 300 kg of carbon dioxide (CO2) –equivalent to the carbon footprint produced by roughly 750,000 Visa swipes.
Read more https://www.forbes.com/sites/jonathanponciano/2021/03/09/bill-gates-bitcoin-crypto-climate-change/
