Quote:
Originally Posted by Ralph Sir Edward
What solid science? Question - what cause the Medieval Warm-up and then caused the Little Ice Age? Answer - we don't know. Did whatever caused them go away? Highly unlikely. So, which way are the underlying non-anthropogenic trends going? Beats me, but if you don't know that, how can you add or subtract their effect from the measurable change over the last century or two? You can't. If we had two or three millennia of date to work with, covering at least some of the smaller cycles, we could. But we don't have that data! All we have is 50 years of highly detail data, 350 years of less and less detailed data, and extremely limited, second hand data going back a few millennia. And I say for the record, that's not enough to have any sort of solid science out of, in a subject where you can't run a separate experiment on, over and over to get more data...
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We have ice core samples go back at least 120,000 years. Hardly second hand data.
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