Quote Originally Posted by crow_noir
Tell me what you think?

http://cosmicvariance.com/wp-images/CO2.png
Hmmmmmm.....those graphs don't cut any ice with me mate.
The earth has been undergoing fluctuations on a much greater scale than this for the past 4.5 billion years.

Now....you tell me what YOU think ??
Q. What caused the most recent ice age (40,000 years ago) to begin and end ????
Wom