NASA /NOAA inc. flip flop dependent on where the next business...

NASA /NOAA  inc.   flip flop dependent on where the next business venture lies on the temp cycle.

1970's global cooling

Annual average temperatures over the Northern Hemisphere increased rather dramatically from about 1890 through 1940, but have been falling ever since. The total change has averaged about one-half degree Centigrade, with the greatest cooling in higher latitudes. A drop of only one or two degrees Centigrade in the annual average temperature at higher latitudes can shorten the growing season so that some crops have to be abandoned. [...]
http://docs.lib.noaa.gov/rescue/journals/noaa/QC851U461974oct.pdf#page=5