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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?


To: RMF who wrote (313965)12/4/2006 11:33:24 PM
From: combjelly  Read Replies (1) | Respond to of 1573502
 
"It seems that large volcanic eruptions have affected climate in the past, especially around 530 AD."

Sure. What about the Year Without Summer?

en.wikipedia.org

The Medieval Warm period happened.

en.wikipedia.org

So did the Little Ice Age.

The thing is, the latter two were probably because there were changes in the Ocean Conveyor. There is evidence that during the warm period, other parts of the globe were colder. And vice versa. Which suggest a change in distribution, not a change in heat budget.



To: RMF who wrote (313965)12/5/2006 12:44:40 AM
From: American Spirit  Respond to of 1573502
 
No, global warming is easy to understand. Just look at the melting glaciers and the bleaching of the coral reefs. Those are clear facts. Indisputable.

Just think of our atmosphere as a greenhouse which traps gases and heat, and thnk of billions of people burning X amount of fossil fuels for the past 70 years. Plus all the forests that have been cut down, which formerly absorbed the CO2 and created fresh oxygen.

And just remember that all life needs to breathe and that many lifeforms require colder constant temperatures, especially in the ocean. Watch "The March Of The Penguins" movie and remember their whole life and breeding cycle is based on timing the melting of the icepack. As the icepack melts away, nature is being screwed with in a major way.

This is a crisis. In fact a much bigger one than a bunch of crazy ragheads wanting to blow up things here and there.