City leaders in the face of failing national governments or underperforming national

governments stepping up themselves onto the international stage.

We're saying, you know, we'll come out and do it ourselves.

Hi, I'm Ian Bremmer and welcome to the GZero World Podcast, an audio version of what you can find on public television, where I analyze global topics, sit down with big guests and make use of small puppets.

This week I sit down with three mayors from around the world to talk about how their cities are stepping up

to solve some of the world's thornyest challenges.

We'll hear from the mayors of Freetown, Sierra Leone,

Yvonne Aki-Soyer, Bristol, UK, Marvin Reese,

and Milan, Italy.

Joseph Vissala. Let's get to it.

Music Laan, Italy. Giuseppe Salah. Let's get to it. The GZero world is brought to you by our founding sponsor, First Republic.

First Republic, a private bank and wealth management company, places clients' needs first

by providing responsive, relevant, and customized solutions.

Visit firstrepublic.com to learn more.

Marvin Reese, Yvonne Aki Sawyer, Giuseppe Bissala.

Thank you so much for being with me.

Thank you.

So let me start. In one sentence, tell me the biggest, the most daunting challenge that you are facing leading your cities today.

Marvin. Delivering on our housing crisis.

Over 11,000 people on the waiting list,

hundreds of families in temporary accommodation,

a growing population,

...