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Economist: PULL a spring, let it go, and it will snap back into shape. Pull it further and yet further and it will go on springing back until, quite suddenly, it won’t. What was once a spring has become a useless piece of curly wire. And that, in a nutshell, is what many scientists worry may happen to the Earth if its systems are overstretched like those of an abused spring.
One result of this worry, in the autumn of 2009, was the idea of planetary boundaries. In the run-up to that year’s climate conference......
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The global environment: Boundary conditions
Posted by Washington Post: Juliet Eilperin on June 18th, 2012
Posted in Water Conservation