The shopping mecca of Singapore seems like an odd place to find a harbinger of what's been labelled the zero-waste revolution, but those involved have learnt the city-state was more than ready to sign on.

Gill Capital knows a lot about retail. From his base in Singapore, founder Jagdev Singh (JS) has built not one but two empires across Asia. When he first came across Scoop Wholefoods a little over a year ago he wasn't sure the model would fly in his home city.