Saumil Shah founded Bangkok company EnerGaia, which develops innovative techniques for growing spirulina in urban environments. Spirulina is a type of alga that is high in protein and important minerals. Saumil believes that if he can increase spirulina’s

Dr Michael Taylor is a mycologist and entrepreneur working with Australian native fungi.

Welcome to Tangled – a show about sustainability and the circular economy

Arief Rabik is a scientist, entrepreneur and conservationist whose expertise is bamboo.