US crypto miners would be forced to disclose greenhouse gas emissions under a new bill, adding pressure to a fast-growing industry criticized for its heavy toll on the environment and power grid. The legislation, introduced by Democratic Senator Edward Markey, would require crypto miners using more than 5 megawatts of electricity — a threshold that most Bitcoin mining companies would pass — to report emissions and the source of power, according to a copy of the bill shared with Bloomberg News. The US Environmental Protection Agency would conduct a study on the impact of existing and planned digital mining operations ... (full story)