claim: Loehle and Scafetta find a 60 year cycle causing global warming
evidence: In a 2011 article published in The Open Atmospheric Science Journal ecologist Craig Loehle of the National Council for Air and Stream Improvement ( a forest industry institution ) and Scafetta forecast that the world climate may remain approximately steady until 2030-2040, and may at most warm 0.5-1.0°C by 2100 at the estimated 0.66°C / century anthropogenic warming rate.