23% of warming in Europe since 1980 due to cleaner air
http://sunshinehours.wordpress.com/2014/07/24/23-of-warming-in-europe-since-1980-due-to-cleaner-air
Cleaner Air = More Sunshine = Warmer
“A paper published today in Geophysical Research Letters finds that clean air laws which greatly reduced sulfur dioxide emissions explain 81% of the “brightening” of sunshine and 23% of the surface warming in Europe since 1980.”
Read about it here.