He's a rule breaker, a trend setter. He reshaped art and redefined graffiti.

How does he smell?

Like paint.

Has he got any distinction features?

His anonymity.

But who is he?

What's his name?

Banksy.

Apparently I've met him twice.

The Banksy story.

Banksy's work is always about the human spirit versus establishment.

Listen on BBC Science.

BBC Sounds, Music, Radio, Podcasts.

Hello and welcome to a special programme that we're dedicating to throwing less stuff away.

Because we are facing a waste crisis and it's a real paradox.

We discard material including plastic and metal in huge quantities

and at the same time we're making and mining more and more of that same stuff.

To give you some wasteful insight, according to the UN Environment programme,

about half the plastic that's produced in the world, about 400 million tonnes every year,

is used just once and then thrown away.

And while there's an estimated 5 billion old mobile phones that were discarded

or stashed away and draws and cupboards last year,

...