https://www.theguardian.com/technology/2023/apr/26/bitcoin-mining-climate-crisis-environmental-impact > Cryptocurrency mining uses huge amounts of energy, but activists are urging for a change in its code to reduce its environmental impact > On 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.