“Mann’s graph was clearly the more compelling image of man-made climate change. Jones and Briffa’s “dilutes the message rather significantly,”
Controversy behind climate science’s ‘hockey stick’ graph | Fred Pearce | Environment | The Guardian
In 1990, climate scientists understood Earth was warmer 1,000 years ago, and that it was global.
Even #1 climate alarmist James Hansen knew that the MWP was global.
According to Climategate E-mails, reality “diluted the message” – so climate scientists erased the prior warmth, eliminated tree ring data after 1960, and tacked on fake, heavily manipulated recent surface temperatures.
via The Deplorable Climate Science Blog
December 17, 2017 at 08:29AM
Iowa Climate Science Education 