Bitcoin is terrible for the environment – can it ever go green?

Cryptocurrency mining uses huge amounts of energy, but activists are urging for a change in its code to reduce its environmental impactOn the corner of New York’s Park Avenue and 52nd Street, curious onlookers recently stopped in front of a giant green skull sitting in the bed of a truck parked outside the office of Fidelity Investments, the global financial management company.The “Skull of Satoshi”, named after the pseudonymous bitcoin developer Satoshi Nakamoto, is composed a