The same criticisms can be leveraged at the major fiat currencies; the US dollar hegemony is basically built around an assumed easy access to hydrocarbon energy (ref the long-term US partnership with Saudi Arabia), and has apparently dictated the US foreign policy on multiple occasions, fx. Operation Desert Shield-Desert Storm to protect Saudi Arabia in 1990 and later liberate Kuwait after Saddam torched the Kuwaiti oil fields.
Putting the worlds biggest military into operation a quarter of a globe away isn't exactly energy or GHG-cheap.
Putting the worlds biggest military into operation a quarter of a globe away isn't exactly energy or GHG-cheap.