June 2017 research report from Dr. James P. Wallace III, Dr. Joseph S. D’Aleo, and, Dr. Craig D. Idso that concludes: Temperature adjustments account for ‘nearly all of the warming’ in government climate data.

“... it is impossible to conclude from the three published GAST data sets that recent years have been the warmest ever – despite current claims of record setting warming,”

On the Validity of NOAA, NASA and Hadley CRU Global Average Surface Temperature Data & The Validity of EPA’s CO2 Endangerment Finding