you may not have read Marcott's paywalled paper but you have certainly read the media frenzy describing 'warmest temps in 4000 years'. mind you I have not seen any media quoting Marcott as saying the results after ~1800 as "not robust". the very part that the media is interested in is not reliable.
did you read Gergis2012? the southern hemisphere hockeystick? it didnt last long before it was retracted.
did you read Gergis2012? the southern hemisphere hockeystick? it didnt last long before it was retracted.