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.
News24 : "Rustenburg - The unemployed man who built a helicopter from recycled material outside his shack in the Siza informal settlement near Rustenburg is beaming with excitement after News24 users offered to change his life."