This week Dylan and Kulja speak to historian and authorDr Tony Birch about the federal government's rejection of a key proposal coming out of the 2017 National Constitutional Convention at Uluru. Plus, lecturer at Swinburne University of Technology Dr Troy Innocent talks about 'playable cities' and his role as this year's City of Melbourne Knowledge Fellow. Finally, ClimateWorks Project Manager Claire Painter provides an update on where we're at with vehicle emissions standards and the transition to energy-efficient transport.