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There's sure to be lot's of different opinions on this, and lot's of different motivations for those opinions and the different models they support - there is evidence, but it has to be sifted and interpreted and not all will agree on what it means.
Reading this thread though I don't think everyone is going along with the Global warming issue. I for one might have a feel that weather is different or offset from when I was a kid (and I was around for the '74 floods too) and so voted yes it's different - but this doesn't mean I buy into Global warming as an over-arching theory. What I've said below is that the weather evidence found in cores etc suggest that large scale climate fluctuation over very short time periods has been a common feature throughout geological history (for whatever reason) - changes we're experiencing now might therefore just be part of the "normal" (on geological timescales) weather fluctuation of our planet or these fluctuations might be superimposed on some manifestation of global warming... time will tell.
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