Neil: I'm Neil.
Phil: And I'm Phil.
And now that we've done our hellos,
let's hear some greetings in different languages from around the world.
But what do these languages have in common?
Neil: I'm afraid I don't know what they have in common
because I don't recognise any of them.
Phil: Well, sadly the one thing uniting these languages is that they're all endangered.
We often hear about animals at risk of extinction,
but a recent study by the Australian National University found
that out of the world's 7000 existing languages, half are under threat.
But what can be done to save languages from dying out?
That's what we'll be discussing in this programme,
and, as usual, we'll be learning some useful new vocabulary as well.
Neil: But first I have a question for you, Phil,
and it's about a country which used to be one of the most linguistically rich places on Earth, Australia.
Before European settlers arrived in the 1800s,
Australia had over 200 languages spoken by the native Aboriginal people
who had lived there for thousands of years.
Many Aboriginal languages were destroyed