text: 2. Closer examination of the last century using better data shows that from 1940 to 1975 the earth cooled at about 0.1C/decade while atmospheric carbon increased. But any warming effect of atmospheric carbon is immediate. By 2003 or so we had discovered global dimming, which might be adequate to explain this 35-year non-correlation. But what had seemed like a good fit between recent atmospheric carbon and global warming now looks shaky, in need of the recently-discovered unquantified global dimming factor to explain 35 years of substantial cooling. I reckon the last century of correlation evidence now neither supports carbon emissions as the cause nor eliminates it. Further quantitative research on global dimming might rescue this bit of evidence, or it might weaken it further.