Greenland’s Jakobshavn Glacier retreated rapidly during the second half of the 19th century.
26 Nov 1903, 2 – The Marshfield News and Wisconsin Hub
By 1939, Greenland’s glaciers faced catastrophic collapse.
17 Dec 1939, Page 15 – Harrisburg Sunday Courier
Over the last four years, the Jakobshavn ice edge has advanced.
The red line in the animation below shows the advance.
Greenland’s other famous glacier, the Petermann Glacier, is also advancing.
According to NASA, glaciers retreat when it is cold, and advance when it is warm.
NASA accomplished this magical defiance of the laws of thermodynamics, via good old fashioned data tampering.
