Molycorp can expect financial losses for at least two or three more years, but Bhappu claims current prices of rare earth elements are sustainable.

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He adds in a recent Bloomberg report that he expects any new resurgence any uranium prices to be delayed another two years because of the current global dynamics.

FORBES: Nuclear Energy's Limp Causing Uranium Prices to Stumble

High commodity prices have given Brazil a large current-account surplus for the past few years.

ECONOMIST: Brazil

Instead, prices have fallen, so to get back on target from their current level would require prices to rise by about 2.5% a year for the next five years.

ECONOMIST: Japan has hitched a ride on China's boom

Alternatively, if rents continue to rise at their current annual pace of 2.5%, house prices would need to remain flat for over ten years to bring America's ratio of house prices to rents back to its long-term norm.

ECONOMIST: Global house prices

At current electricity prices, an investment in a geothermal heat pump system can be paid off in less than eight years, says Trane, which like other energy service providers has seen a big uptick in interest for geothermal systems in recent years, from the military, schools, corporations and even residential customers.

FORBES: Magazine Article