The Wednesday Documentary Episodes Available now
The Greening of the Deserts - Part Three
How far can human efforts contribute to the greening of the Sahara?
The Greening of the Deserts - Part Two
The scientists collecting evidence of climate change in the Namib desert
The Greening of the Deserts - Part One
Is the Sahara greening or drying up? A look at the evidence
Farm Swap - Part Two
A look at the problems and benefits for farmers working overseas
Farm Swap - Part One
What can farmers from different countries learn from each other?
The Lost Voices of Tiananman Square - Two
2/2 programmes looking back at the pro-democracy protests in China's Tiananamen Square
The Lost Voices of Tiananmen Square - One
A look back at one of the 'biggest popular revolts in the history of communism'
On the Brink - Part Two
A look at the effects of the global recession in Japan
On the Brink - Part One
How will Europe and US financial bail-out packages hit newly emerging nations?
The Secret Scientists - Part Three
3/3 programmes uncovering the scholars of the 'Golden Age' of Islam
