A new nuclear arms race has started. Ending it will not be so easy.

There are more drivers on the nuclear highway, and there are much fewer traffic flights.

I'm Carolyn Beeler, how China is playing catch-up with the U.S. and Russia by expanding its nuclear forces.

Also today, what it was like being the youngest elected leader in the world, an interview with Finland's former prime minister, Sana Maren.

There was this moral panic. How can I spend this kind of free time with my friends as a prime

minister? Is that appropriate? And the sport has been around for a while, but you may not have

heard of it. The best way to describe it is like a mix between soccer and basketball.

We've got all those stories and more today on the world.

This is The World. I'm Carolyn Beeler.

Happy Friday and thank you for being here.

This year's UN Climate Summit is being held in the Brazilian Amazon, putting a focus on the link between deforestation, agriculture, and carbon emissions.

Agriculture is a major driver of climate change, and we wanted to hear how it is being talked

about at COP 30. So we reached out to Kavezahidi, the climate director at the Food and Agriculture

Organization of the United Nations. He joined us from COP 30 in Baleem, Brazil, and defined the problem

for us. When we talk about agriculture at FAA, we talk about the entirety, agriculture, aquaculture,

livestock, forestry, it's all included. And it's around a third of greenhouse gas emissions

come from the agriculture sector.

Those emissions come from, what, deforestation to plant crops and allow grazing land, fertilizer use.

What else?

Actually, increasingly, it's forest fires.

Unbelievably, last year, about 127 million hectares of a forest burnt.

We're talking about land about the size of

...