Circular economy worth $1tr: World Economic Forum makes business case at Davos

It's one thing having a good business idea, but it is altogether another to show that it can transform the global economy, provide much-needed jobs, and be good for the planet.

The key supporters of the circular economy today promised exactly this when they held out the mouth-watering prospect of this new business model generating $1 trillion in annual savings by 2025 and creating 100,000 new jobs within five years.

The circular economy is designed to replace today's "take, make and dispose"...