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2015 on track to be hottest year on record

Name: 2015 on track to be hottest year on record
Uploaded: 2015-10-21T20:38:57-0400
Duration: 38 s
Description: The U.N. says that a combination of global warming and a strong El Nino have contributed to making 2015 the warmest year since the 600s. CBSN's Contessa Brewer has more on the climate trends.

The U.N. says that a combination of global warming and a strong El Nino have contributed to making 2015 the warmest year since the 600s. CBSN's Contessa Brewer has more on the climate trends.