We wouldn't want to let the whole picture get in our way. We wouldn't want to examine how those Vikings caused globel warming running around in their SUV’s - or was it gas guzzling Viking Ships?
the History Channel had an excellent movie a few years ago: The Little Ice Age - which, curiously, seems to have disappeared off their web site??? The DVD has been discontinued by History but some can still be found on Amazon. (I just ordered the book version along with the book “The Long Summer” which chronicles the period just preceding the Little Ice Age. VHS tapes are gone, DVD’s will change to a newer version - but books will be books for decades and decades.)
There are some snippets of The Little Ice age on YouTube:
http://www.youtube.com/watch?v=UpZqAPmW6d0
and remember 30 years ago the politicians and scientist were panicking us with the fast encroaching and catastrophic ice age - starvation in 10 years...
http://www.youtube.com/watch?v=ttLBqB0qDko&NR=1&feature=fvwp
below: the sun TODAY - one tiny sunspot - sunspot activity has coincided with warming/cooling trends for millenia. We have had an unusual - and disheartening - lack of sunspot for the past few years...
http://spaceweather.com/images2010/24feb10/midi512_blank.gif?PHPSESSID=o0dfsj22gsfjsp32ct9rdblcq5
That's the useful meteorological record from thermometers. See comment# 18. I can't use youtube links. Thanks for the other one.