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Comment and Earth

Carbon trading won't stop climate change

By Andrew Simms

15 April 2009

New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Selling permits to emit carbon dioxide is fine in theory, but there’s a fatal flaw that means it can never avert climate catastrophe

ONE day renewable energy looks like a sunrise industry, the next, tumbleweeds are blowing around a setting solar panel. What has changed? The price of emitting carbon dioxide.

In 2005 the European Union created the world’s first proper carbon market, the EU Emissions Trading Scheme (ETS), which compels highly polluting industries to buy permits to emit CO2. The number of permits is limited, so the idea is that supply and demand set a price that…

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