Video: World News

NASA says 2012 was ninth warmest year on record (1:24) 

Jan. 16 - According to NASA, 2012 was among the top 10 warmest years in the modern global record. Their scientists say the latest findings, when compared to records dating back more than 130 years, demonstrate a continuing long-term trend of rising global temperatures. Ben Gruber reports. ( Transcript )

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