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2015 was Earth's warmest year on record
2015 was Earth's hottest year on record
The Warmest Year on Record: 2015
2015 - the warmest year on record
Earth saw its warmest year on record in 2015: U.S. agencies
2015 is the hottest year on record
2015 was the warmest year since 1880
2015 was the warmest year since 1880
2015 was hottest year on record, say some scientists
Earth's Long-Term Warming Trend, 1880-2015
2015 Hottest Year On Record - 135 Years Of Warming In 30 Seconds
NASA says 2015 was the hottest year in history
