![Monocle 24: The Urbanist show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/034/613/small/monocle-24-the-urbanist.png)
Summary: This week we report from the C40 conference where mayors gathered to discuss how to implement positive change in the world. Hop on a boat in Lisbon to talk about how collective action and architecture come together and we unpack the emerging trend of building over transit lines.