
United Nations Climate Change Science Compendium - click for PDF
WUWT readers may recall that Steve McIntyre’s Climate Audit blog discovery of UNEP’s use of a Wikipedia “hockey Stick” graphic by “Hanno”, was the subject of last week’s blog postings.
The Yamal data hockey stick controversy overshadowed it, and much of the focus has been there recently.
The discovery of a Wikipedia graphic in the UNEP Climate Change Science Compendium must have been embarrassing as it shows the sort of sloppy science that is going into “official” publications.
In this case, the United Nations simply grabbed an image from Wikipedia that supported the view they wanted to sell. The problem with the graph in the upper right of page 5 of the UNEP report is that it itself has not been peer reviewed nor has it originated from a peer reviewed publication, having its inception at Wikipedia.
And then there’s the problem of the citation as “Hanno 2009” who (up until this story broke) was an anonymous Wikipedia contributor.
Yet UNEP cited the graph as if it was a published and peer reviewed work as “Hanno 2009″.

UNEP report original page5 - click for larger image
Here’s my screencap of the page from the UNEP Climate Change Science Compendium report from last week
In this case, the United Nations simply grabbed an image from Wikipedia that supported the view they wanted to sell.
The hockey stick, based on tree ring proxies has met an inconveniently timed death it seems.
It appears now that somebody at the United Nations must have gotten the message from blogland, becuase there has been a change in the graphics on page 5.
Below is page 5 as it appears in the UNEP Climate Change Science Compendium today:
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