Hello and welcome to the two-year anniversary of the Intelligence on Economist Radio.

Has it only been two years? Huh. I'm your host, Jason Palmer. Every weekday, we provide a fresh

perspective on the events shaping your world.

The rich world is by now well aware of the perils of a diet of cheap processed foods,

but development in sub-Saharan Africa has outpaced the spread of that kind of awareness.

Now, obesity is on the rise, even though undernourishment is still rife. And a new mining project in Greenland will liberate a huge amount of rare earth minerals,

needed for all manner of electronics and renewable energy projects.

But who will get the spoils?

We go digging to find out. First up, though, in their first phone call this

week, America's President Joe Biden and his Russian counterpart, Vladimir Putin, agreed to extend

a nuclear arms treaty between their countries

by five years. The pact caps the number of nuclear warheads held by each. Between them,

they account for 90% the world's stock of them. This week's agreement came with little fanfare,

a far cry from the paranoia of the 1960s.

The streets are jam, businessmen trying to get to their families, panic-stricken people

trying to get out of town.

Today's status quo looks comparatively stable, but to think the problem is over would be

complacent.

Last week, a treaty banning the making or even the hosting of nuclear weapons came into force.

It was signed by more than 80 countries, but some notable absences from that list are another reason to believe that the world's nuclear order could yet shift.

60 years ago, the big fear was that the whole world would end up arming itself with nuclear

weapons.

...