Since then, it%26#039;s been duplicated by scientists many times, although it looks just a little different, since it%26#039;s not so smoothed.
http://www.globalwarmingart.com/wiki/Ima...
Additional Details
2 weeks ago
%26quot;only true alarmists keep bringing it up%26quot;This is SO not true. This question was posted because I was blocked from a question where a denier asserted as fact that people lied about this. Deniers here claim that often.
2 weeks ago
%26quot;the link posted by Dana only shows back to the year 1400. This is the time we were already in the Little Ice Age%26quot;You didn%26#039;t comment on my graph. Mine goes back 1000 years. It clearly shows we%26#039;re now warmer than the Medieval Warm Period.
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Other Answers (6)
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Considering that when you look at the graph on your wiki site it shows a variance of 0.6 degrees between the highest temperature point and the lowest temperature point (+0.4 to -0.2) at the current global temperature. That is something to question. It also calls into question the fact that the IPCC claims we are 0.6 degrees warmer and the highest temperature point on this chart only claims 0.4.
Mann%26#039;s chart has been debunked and only true alarmists keep bringing it up. So the next time you claim that a skeptic should not keep bringing up information that you claim has been debunked %26quot;a million times%26quot;, remember this question.
Also, the link posted by Dana only shows back to the year 1400. This is the time we were already in the Little Ice Age. Why is Tamino trying to debunk criticism of Mann%26#039;s hockey stick graph and only goes back to the year 1400? Why doesn%26#039;t Mann%26#039;s graph goes back to the year 1,000? Seems like a little case of persuasion through manipulation. If Tamino takes it back a few hundred years, to the year 1,000, it will show how it was much warmer during those previous 400 years. Tamino should make his chart include the previous 400 years.
When you compare precise data to precise data, there doesn%26#039;t seem to be much correlation between CO2 and global temps, at least over the last ten years:
http://images.google.com/imgres?imgurl=h...
And finally, at a larger scale, our current ice age cycle doesn%26#039;t appear to be any different from past cycles:
http://en.wikipedia.org/wiki/Image:Vosto...
The issue of smoothing is actually a big deal. Because past swings of 0.4C makes the current uptick seem not unusual.
That is why this issue doesn%26#039;t resonate with anyone outside the field. No one is going to live in huts, on the edge of starvation, watching their children die before age five on the basis of data like this.
The cigarette smoking/lung cancer link is as solid a correlation as you will ever find -- and it still doesn%26#039;t scare people enough to stop smoking.
%26quot;The basic conclusion of Mann et al. (1998, 1999) was that the late 20th century warmth in the Northern Hemisphere was unprecedented during at least the last 1,000 years. This conclusion has subsequently been supported by an array of evidence%26quot;
National Academy of Sciences
A link about the future and the new frontier of plenty for all of humanity if they will only reach out and work for it.
http://www.nss.org/settlement/ColoniesIn...
How to reach this dream vote for any party except the democrats and the greens this year for all offices. Throw the Luddite bums out and maybe the world can be saved for future generations!
