I realized that the whole world economy is an unsustainable pyramid scheme a few months ago. It requires infinite growth based on constant expansion of the money supply. The bottom line is that the whole world economy requires infinite growth. But infinite growth is impossible on a finite planet. This is why the whole world economy is destined to fail.
We must reform the economy. We must get rid of debt-based currency. Money is created when debt is issued. Debt is money. You create debt whenever you use money with interest attached to it. The economy must constantly grow in order for the debt and money supply to constantly grow. But the economy has limits to how big it can grow because there is only so much natural resources on this planet.