From F. G. Grisley
Barry, Glamorgan
Thistle Diary is concerning about the disappearance of sea ice in the
Greenland Sea, probably due to global warming (23 March, p 62). It is feared
that this may lead to cooling of the climate in Europe.
The last time Greenland warmed up, Viking farmers settled there. But Europe
didn’t cool down: it warmed up too. In Norman times, there were vineyards in
Scotland.
After 700 years, the Greenland climate cooled and the Vikings left. At the
same time Europe experienced what has been called “The Little Ice Age”. The
River Thames used to freeze over in winter.
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If Greenland is now warming up again, why should Europe not do the same, as
it did 1200 years ago?
