Canada

Not burning fossil fuels is always pushed to consumers. Most stuff consumers use involves some of it, and most people prefer the stuff, whether that's rational or not.

we could have higher standards of living while only consuming 30% of energy and resources.

Riiiight. Have you ever had to organise or build something? It all takes resources, and nobody is working with a ton of slack. Unless that study is assuming all kinds of futuristic physical infrastructure just magically appears to carry the burden, it doesn't make sense.

If we all lived at a basic third-world kind of standard, we could probably do it on 30% of the resources. If you want to own a car or have a lot of privacy, you're SOL, though. And even there it'd take time to rebuild things to accommodate the new system.