Chinese authorities are sloping up a crackdown on crypto mining, calling it an “extremely harmful” practice that threatens to risk the country’s endeavors to lessen carbon emissions. The National Development and Reform Commission representative Meng Wei impacted bitcoin mining during a press conference Tuesday in Beijing. She said that activity “consumes lots of energy” and “produces lots of carbon emissions.” Meng said that the NDRC — the nation’s top financial planner— will launch a “full-scale” clampdown on digital currency mining by focusing on commercial mining and the role of state-owned organizations in the business. As part of its new push,…