(INDEPENDENT) — An unprecedented $14trn (£8.8trn) greening of the global economy is the only way to ensure long-term sustainable growth, according to a stark warning delivered to political and business leaders as they descended on the World Economic Forum in Davos yesterday.

Only a sustained and dramatic shift to infrastructure and industrial practices using low-carbon technology can save the world and its economy from devastating global warming, according to a Davos-commissioned alliance led by the former Mexican President, Felipe Calderon, in the most dramatic call so far to fight climate change on business grounds.

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