# The Evidence Against Global Warming? READ BEFORE FLAMING!

**URL:** <https://boards.straightdope.com/t/the-evidence-against-global-warming-read-before-flaming/489897>\
**Category:** Great Debates\
**Created:** [March 18, 2009, 4:00pm UTC](https://boards.straightdope.com/t/the-evidence-against-global-warming-read-before-flaming/489897 "2009-03-18T16:00:24Z")\
**Posts on this page:** 1\
**Showing post:** 86

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**Author:** ![Sage\_Rat](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/sage_rat/32/399_2.png) [@Sage\_Rat](https://boards.straightdope.com/u/Sage_Rat)\
**Post date:** [March 23, 2009, 6:42pm UTC](https://boards.straightdope.com/t/the-evidence-against-global-warming-read-before-flaming/489897/86 "2009-03-23T18:42:31Z")

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> [@brazil84](#):
>
> Second, one doesn’t even need to look at proxies. Just compare [this graph](http://www.climate-skeptic.com/photos/uncategorized/2008/08/26/perioda_3.gif) with [this graph](http://www.climate-skeptic.com/photos/uncategorized/2008/08/26/periodb.gif).
> 
> On represents the temperature increase in roughly the first half of the 20th century, and the other represents the temperature increase in roughly the second half of the 20th century. Just using one’s eyeballs, it’s possible to see that the time derivatives of both graphs are roughly the same.

These graphs are sub-sections of the graph from [this page](http://www.junkscience.com/MSU_Temps/HadCRUT3-1850.html). Impressive how he _just happened_ to cut it right at the temporary drop-off. And just happened to move the second graph down about half a degree.

Congratulations, you’ve discovered that if you take semi-random data and cut it at the right places, you can make meaningless observations that fool 3 year olds for two minutes.

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