First posted in 2011, still popular on denier blogs.

Peter Sinclair explains:  A widely circulated piece of climate denial nonsense purports to use legitimate evidence from Greenland ice cores to debunk the record of global warming.

Displaying temperature records out of context, and making the claim of legitimacy by citing the data, and it’s primary author, Dr Richard Alley. This popular propaganda piece pretends to be based on actual evidence, when it is anything but.

Related Crux of a Core

Teaser image USGS.