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There is definitely a change in global weather but we are in the beginning of a mini ice-age so warming is not the problem. The fact is, there are changes happening on every planet in our solar system so I'm quite sure man is not to blame for it. Not to mention the fact that global warming scientist got caught manipulating data to fit the agenda, that's one reason why they changed from "Global Warming" to "Climate Change", well that and the past 25 years of data shows a cooling trend. The entire global warming theory is based on faulty modals that have been proven wrong by the data. Data should always trump modals.

Ok. You are looking for a good fight!
If you are totally objetive the answer is straightforward : There are not enough data to support any conclusion.
But, if you are a cautios person you should always take into account the worst case scenario.
For our sake we must fight to prove that global warming is a fallacy, but we must always act as if it were a fully proven.