Protests Cloud Start of UN Climate Debate

The air in Beijing was officially hazardous on Sunday with pollution recorded at its worst for 13 months. Pollution in China and in other countries will be among the issues on the agenda at the U.N. climate conference in Paris. Bloomberg's Zeb Eckert reports on "First Up." (Source: Bloomberg)

Yale's Stephen Roach Says China Has a Debt Problem
55:43 - Yale University Senior Fellow Stephen Roach discusses S&P's downgrade of China's sovereign credit rating. He speaks on "Bloomberg Surveillance." (Source: Bloomberg)
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