Quote:
Originally Posted by Nehkara
From 1970 or so there has been a general warming trend but it was warmer before... in the 30s and 50s... why did it cool down after that? Did we make it warm those times too?
The best answer is: They have no idea. They don't know why the temperature on the Earth changes because we don't have a good enough understanding yet of how the whole planet operates. They need to do more research. A LOT more.
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Why don't you show the whole graph when making your point, and not conveniently leave out the last few years. (see below)
So, you are saying that it is not possible that humans are causing unnatural global warming, because we were not the cause of all the warming and cooling trends through history? You think that all the world's scientists have overlooked the fact that there have been natural global warming and cooling trends that human's weren't responsible for? The fact that there were previous warming and cooling trends is not an argument against the belief that human's are causing an unnatural spike to global temperatures.
