Removing The “Abnormal Warmth”

In 1976, National Geographic reported that the first half of the 20th century was abnormally warm, and it had caused glacial retreat.

The National Geographic Archive | November 1976 | page 1

The 1974 NCAR graph showed this.

21 Jul 1974, 13 – The Des Moines Register at

By 2004, NASA had erased the warmth, and in the current version of their graph they have further erased it – well outside of the 2004 error bars.

2004 Version       2019 Version

About Tony Heller

Just having fun
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