Story here. To understand the issue, bear in mind that bitcoins are not literally mined, they are 'mined' using supercomputers which consume a lot of electricity.
Anthony Flood sent me the hyperlink. He comments:
Bitcoin threatens globalist/statist "green" agenda . . . and everything else on their to-do list. No monopoly on money via fiat central banking? Then no "democratic" imposition of lower living standards. With respect to achieving global decentralization, the spontaneous, market-based decentralization of money "moves the needle." It's happening slowly, almost imperceptibly so, but it's in a race with globalist countermoves.