And also not starting the journey *right now* makes it so much harder to reach anywhere near the target later.
it's easy to come up with lovely futures, but I've learnt from my friend who's studying future research that there's this thing called "reality gap" that plagues future scenario work. Either start scenario building from now and end up nowhere impressive, or come up with an impressive vision and fall into the reality gap trying to bridge between the vision and world as it is now...