I am sick and tired of this bullshit logic, about how much energy per transaction Bitcoin uses. Bitcoin's blocksize is being forcibly kept low. It can easily be increased 100 MB, if not more, without causing any serious issues. That will increase the number of transactions per second to a thousand. Plus, comparing a Bitcoin transaction to a traditional transaction is like comparing apples and oranges. A Bitcoin transaction is completely different as it is irreversible. That energy consumption is the price we pay to make sure our transactions remain irreversible.