I am extremely skeptical about this sort of thing - I suspect that it's extremely challenging to reliably make assertions about the carbon cost of running a given website given that there are so many unaccountable-for variables; at best the very "edge" of any carbon usage is being guessed at.
Added to that the opportunities for charging the various parties for "certification" are simply too good to pass up it seems.
Added to that the opportunities for charging the various parties for "certification" are simply too good to pass up it seems.