“Top-down estimates of the electricity consumption of cryptocurrency mining in the United States imply that the industry was responsible for an excess 27.4 million tons of carbon dioxide (CO2) between mid-2021 and 2022—or three times as much as emitted by the largest coal plant in the U.S. in 2021,” the report said.
Source: NY Agency Sued Over Cryptomining Operation That Could Increase Plant Emissions by 3,500%