Maybe http://skepticalscience.com/climate-change-little-ice-age-medieval-warm-period.htm http://skepticalscience.com/climate-change-little-ice-age-me... OR h

Maybe http://skepticalscience.com/climate-change-little-ice-age-medieval-warm-period.htm http://skepticalscience.com/climate-change-little-ice-age-me... OR http://skepticalscience.com/solar-activity-sunspots-global-warming.htm http://skepticalscience.com/solar-activity-sunspots-global-w... Lots of good info on the site. There is a very, very, vanishingly small chance that current climate dynamics aren't caused by humans. Doubling the CO2 in the atmosphere will have consequences. It's inescapable physics.