Farm Swap - Part Two

A look at the problems and benefits for farmers working overseas

• 22 mins

The Greening of the Deserts - Part One

Is the Sahara greening or drying up? A look at the evidence

• 22 mins

The Greening of the Deserts - Part Two

The scientists collecting evidence of climate change in the Namib desert

• 22 mins

The Greening of the Deserts - Part Three

How far can human efforts contribute to the greening of the Sahara?

• 22 mins