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Originally Posted by classicman
What is the cause? We have no idea, and these people make their living off trying to tell us the answer.
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Yes, it is quite common in the science field for people to make a living off researching what we currently do not know.
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Is it possible that this warming which is now admittedly not as extreme as originally thought may be from some natural occurrences?
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Yes, but you are oversimplifying it too much. We have proven that CO2 is a greenhouse gas. Looking at historical temperature charts it makes logical sense that the Earth should start warming. This means that global warming is most likely caused by natural and human factors. My guess is that the Earth is naturally going into a warming period, and we are speeding up that process, which is not good because it takes time for ecosystems to adapt to new environments.
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Do we, the entire human race need to act immediately on an assumption that it is our fault?
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Make a pro/con list.
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Is it true that some glaciers in other areas are actually growing?
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Yes, in New Zealand I believe. But, that is not the norm. The vast majority of glaciers are receding. Remember, global warming is the generalized warming of the entire Earth. That means it is possible there will be areas where it is actually getting colder.