30 Dec '11, 2pm
Drumbeat: December 30, 2011
This basic desire for more has meshed beautifully with a growth-based economic model and a planet offering up its stored resources. The last few hundred years is when things really broke lose. And it’s not because we suddenly got smarter. Sure, we have a knack for accumulating knowledge, and there is a corresponding ratchet effect as we lock in new understanding. But we have the same biological brains that we did 10,000 years ago—so we haven’t increased our mental horsepower. What happened is that our accumulation of knowledge allowed us to recognize the value of fossil fuels. Since then, we have been on a tear to develop as quickly as we might. It’s working: the average American is responsible for 10 kW of continuous power production, which is somewhat like having 100 energy slaves (humans being 100 W machines). We’re satisfying our innate need for more and more—and the a...