Thread: Global Warming
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Old 12-10-2005, 05:56 PM   #11
 
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Arkacia
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Join Date: May 2005
Location: Australia
Age: 60
Posts: 805
Re: Global Warming

Scientist can tell past weather patterns from looking at tree rings. The wider the individual rings, the more rainfall that year. Using this they can see weather patterns going back hundreds of years, depending on the age of the tree. They have even done this with petrified wood. Thats just one methold, there are many others.

Most nations have weather records going back hundreds of years, it isn't hard for scientists to study those records and chart the weather patterns down through the decades, or in some cases, centuries. They can also use those past records, take present day problems such as pollution ect into account, and predict what they feel the future weather patterns will be.

I believe global warming is happening and humans are at least partly responsible. I don't know about the rest of the world, but in Australia have found that most of the anti global warming stuff, and/or anti humans bear some responsibility for it, is coming from scientist who are being paid by large industry groups who would be most affected by any anti-pollution measures by needing to cover the costs of reducing their emmission levels ect.
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