Start-up, Almond, is using blockchain technology to encourage more sustainable consumer behaviour. Can it help to save the planet, one product at a time?
Can blockchain and tokens help to address fraud and waste in the seafood sector? An initiative called Fishcoin is about to put this to the test.
With 65 per cent of settlements classed as 'informal' and lots of natural threats, Ecuador's capital has some clear themes as it builds its resilience