Last year was the hottest on record by a wide margin, with temperatures creeping close to a ceiling set by almost 200 nations for limiting global warming, the European Union's Copernicus Climate Change Service said on Thursday.
The data are the first of the New Year to confirm many projections that 2016 will exceed 2015 as the warmest since reliable records began in the 19th century, it said in a report.
The Arctic was the region showing the sharpest rise in temperatures, while many other areas of the globe, including parts of Africa and Asia, also suffered unusual heat, it said.
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