The Greening of the Deserts - Part One
Is the Sahara greening or drying up? A look at the evidence
1/3. Better understanding of the effects of global warming will be key to reaching a new agreement at the UN conference in Copenhagen. Ayisha Yahya explores climate change arguments in a three part series recorded on location in Mali, Namibia and Egypt. In this programme she looks at the effect global warming may have on deserts and the people that live in them.