Before NOAA data tampering, temperatures at the capital of Greenland have been declining for a century.
Data.GISS: GISS Surface Temperature Analysis
But to be fair, temperatures have actually been declining for at least 1,000 years – when Vikings farms were surrounded by forests.
CHANGING CLIMATE INDICATED IN ARCTIC – NYTimes.com
Nuuk is now a frozen wasteland. There are no trees growing.
This is all very inconvenient for climate scamsters at the US government, so they simply alter the data, to turn a Greenland cooling trend into a warming trend.