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Past & Future Climate change - Pt 1of 4

The first of a 4 part presentation where Scientist David Archibald has researched the data that effects Climate change and has worked out the most likely future climate predictions. Inconvenient T...  
 
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This is a video response to Global Warming: junk science vs. real science
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cristop5 (2 months ago) Show Hide
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1. By his own admission he SELECTS temperature records from particular places, places that do not reflect the global pattern. All very interesting, but you cannot extrapolate from atypical places! Anyway there is no need when you have global averages to work with.
2. Why on earth does he use a graph from 1990 when more up to date ones are available? Strangely enough much has been learnt since 1990, and the MWP was a regional not global phenomenon.
ClydeCoulter (2 months ago) Show Hide
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No, DuesExMachina, the burden of proof lies with everyone that is trying to prove anything.
It has already been shown that Co2 levels follow temperature levels. Why? Because plants release Co2 and breed better in warmer temperatures.
Yes, we give off Co2, breath in oxy, breath out Co2, plants take that Co2 and exhaust Oxy. Cool, it's a cooperative planet.
DeusExMachina7709 (3 months ago) Show Hide
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The graph at 4:41 is hilarious. I love how it stops in 1970, before the current global warming trend in question began!
yostiyosti (2 months ago) Show Hide
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Yes! You are right. And it's after 1300, when temperatures were about as high. And 150.000 years ago, temperatures were also that high. Those Neandertals really screwed up this planet. Bastards!
DeusExMachina7709 (2 months ago) Show Hide
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About as high? The MWP was several tenths of a degree colder than current temperatures. And both the MWP and the Holocene warming can be explained through natural means.
yostiyosti (2 months ago) Show Hide
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Thanks for your answer. And this (the current) period cannot be explained by natural means? My point is, that there's still no conclusive evidence that there is a causal connection between co2 levels and the -assumed- rise of temperature.
DeusExMachina7709 (2 months ago) Show Hide
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It can only be explained by CO2. No other climate variable can explain it. If skeptics see otherwise, the burden of proof lies with them.
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crazy7house (5 months ago) Show Hide
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Climate Change=Hoax! No such thing, temps have fluctuated from cool to warm, warm to cool, we are actually cooling truth be told!
DeusExMachina7709 (4 months ago) Show Hide
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Temperatures always fluctuate for a reason. Temperatures could go up or down based on solar variation, volcanic activity, sulfur emissions, ENSO, PDO, etc.

The problem is, the 'natural' variables like solar activity indicate we should be experiencing global cooling, but we've actually experience .5 C of warming. The only explanation is man-made CO2.

By your logic, any degree of warming or cooling is perfectly A-OK. Of course, that's not true.

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