In 2005, Dame Ellen McArthur became the fastest solo sailor to circumnavigate the globe. During her journey, she realised just how important her resources were to survival: “Suddenly I realised our global economy is no different,” she told sustainable consultants McKinsey.

Today, Dame Ellen is one of the world’s most high profile proponents of a circular economy, in which waste is no longer discarded but becomes, instead, another precious resource.