Peer-Reviewed study finds global warming over past 4 centuries due to increased solar activity: Warming over 20th century ‘not significantly different’ from warming that occurred in earlier centuries’
'A peer-reviewed paper published in the Journal of Atmospheric and Solar-Terrestrial Physics finds global paper finds that the increase in solar activity over the past 400 years explains the warming, without any need to search for a unique cause of late 20th century warming, such as greenhouse gas concentrations'
