Why the $100 billion pledged to help developing countries cope with climate change isn't enough

Developed countries promised poorer nations $100 billion a year in climate financing by 2020. But that pales in comparison to what the developing world needs to deal with rising temperatures.

Now, wealthy countries are preparing to set a new funding target. However, no matter what goal they set, they have a terrible track record of delivering the money they promised. And that money is crucial for global efforts to fight climate change.

NPR’s Julia Simon reports.