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Politics : Formerly About Advanced Micro Devices
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To: d[-_-]b who wrote (356388)10/29/2007 8:26:34 PM
From: tejek  Read Replies (1) of 1578433
 
I think you said 800 years. So all and all, I think its a nifty little chart.....direct and to the point! ;-)

Here's a nifty chart that shows planet temps started rising about 800 years ago (aka the medieval warm period) and you've shown the chart regarding CO2 lagging by 800 years - which proves my point.

Ahh.....maybe in the past that's the way CO2/rising temps worked but it would seem its different now. For the last I think 80 thousand years, the CO2 parts per million has remained locked in range roughly between 200 and 300 PPM......through ice ages and warming periods. Maybe in those past global warmings, the rising CO2 concentrations trailed the rising temps by 800 years.

However, starting at the beginning the 20th century, CO2 atmospheric concentrations went literally went through the roof and broke with its past traditions by exceeding 300 PPM level even as global temps were experiencing some cooling. In fact, it was believed a mini ice age might be imminent. Instead, the CO2 has continued to exceed its normal range for all of the 20th century. It was then in the 1970s or 1980s that global temps began to rise.....slowly at first and now much faster.

Consequently, it seems there is a disconnect with your lagging 800 year theory. In fact, neither of us know what's real and what isn't real when it comes to CO2 and GW. What we do know is that things have taken an unpleasant turn. Given what's at stake, its seems to me that its best not to fool with Mother Nature. But then you're one of those guys who thought invading Iraq was a good idea. ;-)
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