Conversation Among Friends

 DemandDebate.com Endorses New Global Warming Primer for Students; 'The Sky Isn't Falling': Informs and Provides Needed Balance in Environmental Education - "Author and Montana State University resource economist Holly Fretwell has done a magnificent job

 I think Holly is well named for her job

Another Dow friend recently cited to me the ice core samples from the paleoclimatologists, for example:

timeline of glaciation from Wikipedia

Nature paper: Eight glacial cycles from an Antarctic ice core  

Anyway, as a right-leaning dude, his observation was that we should hope that the current global warming trend (and the ice age it might trigger) have human orgin because that means we can do something about it.  Otherwise, we're toast.