Nic and Val talk to how the air quality in cities is now coming into focus. How do we and other cities regulate emissions. When the air in our cities has serious effects on our health, the young and older hit hardest, what will we do.  Melbourne Council asking for ideas on pricing transport. https://participate.melbourne.vic.gov.au/transportstrategy/transport-pricing?_ga=2.65914798.1886274446.1532644353-1671899498.1531350850