This is the 560th most frequent Italian word.
mondiale
Worldwide; global.
The word 'mondiale' is used here to mean 'worldwide' or 'of the world', referring to a global context or impact.
La guerra mondiale ha cambiato il corso della storia.
The world war changed the course of history.
In this example, 'mondiale' describes a problem that affects or concerns the entire world, emphasizing its universal nature.
Il problema ambientale è una questione mondiale.
The environmental issue is a global matter.
Here 'mondiale' designates something of an international or global scale, such as a championship involving teams from around the world.