Peak Phosphorus And Food Production

Investor Jeremy Grantham of GMO recently published a startlingly depressing outlook for the future of humanity.

Grantham thinks the number of people on Earth has finally and permanently outstripped the planet's ability to support us.

Grantham believes that the planet can only sustainably support about 1.5 billion humans, versus the 7 billion on Earth right now (heading to 10-12 billion).

Basically, Grantham thinks most of us are going to starve to death.

Why?

In part because we're churning through a finite supply of something that is critical to our ability to produce food: Phosphorus.

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