How could it happen that more than a dozen of the most prestigious scientific associations signed and submitted this letter on ‘climate change’ without having ensured that the used terminology is sufficiently defined. Read the rest of the entry
The UNFCCC does not define ‘climate’ at all, while
WMO says: 'climate' is average weather.
This website will provide information and ask, does science know what climate is?
Remarks on Climate and Climatologists by F. Kenneth Hare, 1978 & 1984
Canada’s most distinguished geographer and climatologists, the late Professor F. Kenneth Hare, explained in 1978 that climate was a layman’s word, and that the professional use is still erratic (1984), as can be read in the following two brief excerpts.
F. Kenneth Hare on: Climate & Climatologists
F. Kenneth Hare on : DEFINITIONS OF CLIMATE,
Extract from section: Climatic Variability and Change
“The word climate is often seen as ambiguous, because of confusion with related words like weather, or vague climatic conditions. In fact it is capable of fairly exact definition. In recent years, moreover, public usage seems to have moved closer to that of the professional.
In lay usage, climate usually stands for the expectation of weather on time-scales comparable with a human lifetime; it is the layman's sense of the sequence of weather he or she may expect at a given locality. As such it governs countless daily decisions, from choice of personal clothing to the work calendar of the farmer. Habitually this expectation is taken for granted. Only when unexpected weather occurs does the ordinary citizen become acutely aware of the stresses that the atmosphere's behavior can bring - sometimes to the point where the question is asked (as it is below): `is the climate changing?' This question arises from the suspicion that recent weather lies outside normal expectation, that is, outside the present climate.
Professional usage is still erratic, but usually starts with the same idea of expectation. It is assumed
We tend to assume that the near future will resemble this recent past. For lack of any better guide we accept a dictum attributed to Whitehead: how the past perishes is how the future becomes. We think it highly probable that past experience will repeat itself. In effect, we assume that the climate of today will endure for an undefined period.”
 McGILL UNIVERSITY, 2002, RESOLUTION ON THE DEATH OF PROFESSOR F. KENNETH HARE; http://www.mcgill.ca/files/senate/2002-12-04.txt
 F. Kenneth Hare, 1979, “The Vaulting of Intellectual Barriers: The Madison Thrust in Climatology”; Bulletin American Meteorological Society; Vol. 60, No.10, October 1979, Pages 1171 – 1174.
 F. Kenneth Hare; ca. 1984; Climatic Variability and Change, “SCOPE 27 Climate Impact Assessment - Studies of the Interaction of Climate and Society”, Preface by: ROBERT W. KATES; available via: http://www.icsu-scope.org/downloadpubs/scope27/contents.html
 Ditto: Material: http://www.icsu-scope.org/downloadpubs/scope27/chapter02.html
 Material available via: http://www.time.com/time/printout/0,8816,944914,00.html
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