Paper shows solar activity at end of 20th century was the highest in 1200 years: Paper published in Living Reviews of Solar Physics
Study 'finds from 2 cosmogenic isotope proxies that solar activity at the end of the 20th century was at the highest levels of the past 1200 years. Many other papers also confirm that solar activity reached a Grand Solar Maximum at the end of the 20th century. However, according to the IPCC, this has nothing to do with 0.7C of global warming since the end of the Little Ice Age in 1850'