Rising sea levels threaten Bargny, a coastal town in Senegal

The UN's climate chief says that money from richer, developed countries "must be at the core" of a new deal to ramp up funding for poorer nations to combat global warming. Meanwhile Africa continues to feel the devastating effects of climate change.. include the destruction caused by rising sea levels.. This report from Bargny, a coastal town just outside the Senegalese capital Dakar.