As long as something legal and makes profit - people would do it. Energy generation does not offset all the climate damage it makes. Efficient: (of a system or

As long as something legal and makes profit - people would do it. Energy generation does not offset all the climate damage it makes. Efficient: (of a system or machine) achieving maximum productivity with minimum wasted effort or expense. Bitcoin is least efficient way of doing transactions. Pretty efficient way doing ecological damage though.