Originally Posted by crockett

No one has ever argued that the earth hasn't warmed or cooled. What is argued is that in the past it took thousands of years to do these extreme changes with the few exceptions of massive volcano which changed global temperatures.

What is being argued, is that "we" are the massive volcano as we have replaced a natural phenomenon and caused it to speed up dramatically. That is what "man made climate change means". I don't know why it's so hard for you guys to understand tthat very basic principle.

also btw.. I also found a chart.. it seems a bit different than yours...