2016 Was The Hottest Year On Record | The Huffington Post - 1 views
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Adriana Trujillo on 19 Jan 17NASA found that 2016 was 1.78 degrees warmer than the mid-20th century average, while NOAA found 2016 was 1.69 degrees warmer than the 20th century average. The agencies use those pre-industrial periods as a set point for measuring climate change.