The effects of global warming can be starkly seen in the Sahara desert, where Niger is one of the countries most vulnerable.
Al Jazeera's May Welsh reports from the country, where she found a bedouin tribe fighting possible extinction.
The World Cup football tournament kicks off in one week, and host South Africa is busy putting on the finishing touches. But not everyone is looking forward to the tournament. Authorites in cities including Cape Town are being accused of clearing the poor from the streets - to create a good impression for visiting fans. Al Jazeera's Haru Mutasa has more.