Consider This....

http://www.nzcpr.com/guest76.htm

‘In any case, average world temperature is simply a statistical artefact.
The actual experienced temperature varies enormously in different parts of
the globe; and man, whose greatest quality is his adaptability, has
successfully colonized most of it. Two countries at different ends of the
earth, both of which are generally considered to be economic success
stories, are Finland and Singapore . The average annual temperature in
Helsinki is less than 5ºC. That in Singapore is in excess of 27ºC – a
difference of more than 22ºC. If man can successfully cope with that, it is
not immediately apparent why he should not be able to adapt to a change of
3ºC, when he is given a hundred years in which to do so. ‘
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