Paper finds ‘brightening’ of sunshine hours since 1980 — Published in the Journal of Geophysical Research — Study examined sunshine hours over Iberian Peninsula from 1961-2004
'Found a dimming of sunshine occurred from 1961 to early 1980's, corresponding to ice age scare of the time. Conversely: 'Since early 1980s, the [sunshine duration] series exhibit an upward trend or 'brightening,' which corresponds to the subsequent warming period'
Flashback 2009: Was Global 'Brightening' The Real Cause of Warming During 1980's & 90's? New Research Suggests CO2 Was Wrongly Blamed