This episode explores how one person's waste can be another's treasure. We talk to scientists trying to eke something useful out of big piles of rubbish and discuss making the economy more circular.
André Stephan, The University of Melbourne; Alexei Trundle, The University of Melbourne; Dave Kendal, The University of Melbourne; Hayley Henderson, The University of Melbourne; Hesam Kamalipour, The University of Melbourne et Melanie Lowe, The University of Melbourne
Our cities need to become much more efficient not just to conserve precious resources but to improve the economy, wellbeing and resilience to environmental change and disasters.
Used tyres pose a serious environmental challenge. So far, traditional recycling methods have proved insufficient to solve the problem. New, eco-friendy alternatives are now being explored.
Indian Prime Minister Narendra Modi wants to bring 1.5 million toilets to the 600 million Indians without access by 2019. If he fails that could prove dangerous in an election year.