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akuma587 said:
insomniac17 said:

 

This is pretty much what I think. The earth does go through periods of heat, and periods of cold. Why, not too long ago (by earth's standards), we had an Ice Age. We sure aren't now, so doesn't it make sense that the globe is heating up? The whole thing is really blown out of proportion.

 

This argument is thrown around way too liberally.  Just look at the chart I posted earlier that shows how dramatic the shift has been in just 150 years.  That kind of change is very abnormal and most likely due to something else besides the amount of heat the earth receives from the sun on average.

 

Yet the chart doesn't match up evenly with the amount of carbon gases people have expended.

Infact the global warming began before the industrial era... and seems to be going up rather proportionally, while human CO2 emmisions go up exponetially.

Usually when the tempeture heats up naturally, it's a steady natural progression.  Like the one we have now.  Until it hits a breaking point.  Where it gets so hot that it releases pent up CO2 in the ground that causes a massive overheating of the earth.

The global warming progression while larger then normal IS a normal progression.

What one would expect if it were man-made would be that tempeture woudl be exponetially getting bigger as we emitted more gas.  Not fairly steady since the industrial revolution.