— e “Any warmin is due to the sun c and other natural drivers r ou s not human co2” bout a s “atural factors affect the climate‚ n o i t — s e ¯ariation in natural factors liƒe olcanic eruptions and solar qu ariabilit does not explain the warmin trend obsered since the industrial reolution‚ — Scientific models of lobal temperature chane attribute 1‚01°C of warmin between 1—”0–¡ž and Ma 201¡ to human emissions ›”–ž” per cent confidence interal is µ0‚—¡ to µ1‚22 °Cœ‚ Essentiall all the obsered warmin is attributed to human actiitiesª natural factors such as olcanoes hae in fact slihtl decreased the net amount of warmin‚!( — Solar fluctuations hae contributed to obsered warmin since 1ž”0‚ Howeer the manitude of the contribution is small about 0‚1°C at most‚@) …he increase in lobal surface temperature has been larest since 1ž—0 — a time durin which solar actiit has been decreasin‚@! 1ž Haustein et al‚ 201¡ 20 £ean ¦ ’ind 200—ª Žoster ¦ ’ahmstorf 2011 21 £ocƒwood 200— 2‘
Pictet Group Oxford Climate Change Study Page 23 Page 25