New Paper at SPPI: Medieval Warm Period in North America

Source: SPPI evidence_mwp_namerica

Climate alarmists claim that rising atmospheric CO2 concentrations due to the burning of fossil fuels – such as coal, gas and oil – have raised global air temperatures to their highest level in the past one to two millennia. And, therefore, investigating the possibility of the existence of a period of equal or greater global warmth within the past one to two thousand years has become a high-priority enterprise; for if such a period could be shown to have existed at times when the atmosphere’s CO2 concentration was far less than it is today, there would be no compelling reason to attribute the warmth of our day to the CO2 released to the air by mankind’s burning of the fossil fuels that supplied the power that sustained the Industrial Revolution. Therefore, in this review of the pertinent scientific literature, results of the search for such knowledge are presented for studies conducted within North American countries located south of the southern border of the United States.

See full paper here:  http://scienceandpublicpolicy.org/originals/evidence_of_medieval_warm_period_in_north_america.html