QUOTE (Sanders @ Apr 21 2010, 09:55 PM) ...whether the warming of the 70s 80s and 90s (caused by something else, i.e. the sun) instead caused CO2 levels to rise.As we all know CO2 levels and temperatures have continued to rise in spite of the sun having a period of lowered solar activity.Explain that.QUOTE ...that oceans and perma-frost act like a sink and trap CO2 more when colder and less when w