An Energy and Carbon Monetary Unit

"How much stranger that for money we?ve chosen an unmeasurable paper standard. We measure anything and everything. People have even tried to figure out if a human soul has weight, but for money, of all things, we?d rather pretend? The one thing that we think we don't need to measure is our savings versus our consumption--our stored capacity to use resources--our future on earth?" Column by Les Lafave.