Hello and welcome to Slate Money, your guide to the business and finance news of the week.

I'm Felix Salmon of Axios.

I'm here with Elizabeth Spires of New York Times and various

other places. Hello. I'm here with Emily Peck of Axios. Hi. We have a very special episode this week

all about making the world a better place. We have Mr. Bjorn Lomborg. Welcome, Bjorn. I can say hi or hey.

You can say hi or hey. You can be Danish or English. I think for this for this purpose you will be

English. Danish is a little bit rusty around these parts. Introduce yourself, who are you?

And tell me what is the book you have just published?

So my name is Bjel Lombo.

I'm Danish, as you mentioned, but I'll speak in English.

I run a think tank called the Copenhagen Consensus,

where we bring together tons of the world's best economists.

We work with seven Nobel arts and economics to basically try and find out if you want to

spend an extra dollar, where can you do the most good?

We've done that for the world.

We've done it for Bangladesh and many other individual countries.

But now we're doing it for the world again, but for a specific purpose,

the world has decided it's going to do all good things in the world called the Sustainable Development

Goals. We're not actually achieving it. So here is a book that suggests 12 amazing things that

the world could do in very low cost, they'll deliver amazing benefits.

So we're going to talk about a few of those things, about the whole conceptual underpinning

behind the book, a few of the different ways it can work and how it would work in practice,

...