Inside the landmark climate change deal reached in Paris

Aired: 12/11/2015 | 0:04:03 | Clip
Negotiators from nearly every country in the world unanimously agreed to a landmark agreement Saturday to combat climate change, pledging to reduce their emissions from burning fossil fuels. It's the first-ever climate pact to commit all countries to take action. To discuss the details of the deal, Wall Street Journal reporter Matt Dalton joins Hari Sreenivasan from Paris.