I’ve tried to explain in my books and lectures that the world is now at a critical point. Many things have been growing exponentially and are now pushing up against the physical limits. I argue that the driver of economic growth has been the debt money system in which money is created on the basis of interest-bearing debt, which is an exponential function. Debt must be continually expended in order to put enough money into the economy to service the previously created debt. But the amount of money is never enough for all debts to be repaid, so a day of reckoning must eventually arrive. We are now very close to that day.
Someone who has done a great job of explaining these things in video format is Chris Martenson. I highly recommend that everyone watch his Crash Course. In the video below, he explains exponential growth and highlights many of the factors that are approaching their limits.
Beyond Money 
Isn’t it true that all cash in existence has an equal number of debits to credits generally(except in the case of defaults – causing inflation)? And that all debt could be fulfilled if the parasitic banker spent the credits he accrues in usury buying from the producers accruing debits? Of course, the bankers can only own so much stuff. And no one knows what the banker spends his credits on, how much he hordes, how much he destroys, or if he might be giving it away to someone.
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