Quote:
Originally Posted by 1ViciousGSX
How do you know? Because some college professor or archeologist said so?
We only have about a true 200 year scientifically documented record of temps so every thing else is speculation or madeup.
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Its called scientific research? lol These figures aren't just pulled out of someones butt. While they might not be actual readings from a thermometer, there is a scientific process to figure these types of things out.
Some reading on how past climate is analyzed.
http://www.theguardian.com/environme...rature-proxies
And when it comes to all things, some bunk stuff will come out of theories. Like the past climate change stuff you posted. Its an ongoing issue that will take years and years to figure out. While the sky might not be falling, steps towards a greener environment are common sense.