All economic activity is dependent upon the environment with its underlying resource base. When the environment is finally forced to file under Chapter 11 because its resource base has been polluted, drained, cut down, dissipated, and irretrievably compromised, the economy goes down to bankruptcy with it. The economy, in reality, is just a subset of the ecological system. You don't even control the climate or the law of gravity. We control matter, because we control the mind.
Reality is inside the skull.
You will learn by degrees, Winston. There is nothing that we could not do. Invisibility, levitation, anything. I could float off this floor like a soap bubble if I wished to. I do not wish to, because the Party does not wish it.