Janez Potočnik interview: How a circular economy can help us go green
9 February 2022
A sustainable future means using less stuff more wisely – but politicians aren’t yet grasping the nettle, says the head of the UN International Resource Panel
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Premium
Why the end of cash could cause a new data disaster
22 August 2018
The convenience of card and mobile payments means cash use is in freefall globally. But we haven't thought through the consequences of an all-digital world
The world's tallest tree costs more than a private island
9 May 2018
We valued 7 of the world's most famous trees, from strangler figs draping ancient ruins to a 9000-year-old spruce. The most pricey comes in at £11 million
