Earth 'skin temperature test' confirms global warming. Both data sets demonstrate the Earth's surface has been warming globally over this period, and that 2016, 2017, and 2015 have been the warmest years in the instrumental record, in that order.

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Earth 'skin temperature test' confirms global warming. Both data sets demonstrate the Earth's surface has been warming globally over this period, and that 2016, 2017, and 2015 have been the warmest years in the instrumental record, in that order.