It’s simple. If we can’t change our economic system, our number’s up
- The Guardian, Tuesday 27 May 2014 18.38 BST
Let us imagine that in 3030BC the total possessions of the people of Egypt filled one cubic metre. Let us propose that these possessions grew by 4.5% a year. How big would that stash have been by the Battle of Actium in 30BC? This is the calculation performed by the investment banker Jeremy Grantham.
Go on, take a guess. Ten times the size of the pyramids? All the sand in the Sahara? The Atlantic ocean? The volume of the planet? A little more?It’s 2.5 billion billion solar systems
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