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Virtually all scientists directly involved in climate prediction are
aware of the enormous uncertainties associated with their product. How
is it that they can place hands over hearts and swear that human
emissions of carbon dioxide are wrecking the planet?/
...
In the light of all this, we have at least to consider the possibility
that the scientific establishment behind the global warming issue has
been drawn into the trap of seriously overstating the climate
problem—or, what is much the same thing, of seriously understating the
uncertainties associated with the climate problem—in its effort to
promote the cause. It is a particularly nasty trap in the context of
science, because it risks destroying, perhaps for centuries to come, the
unique and hard-won reputation for honesty which is the basis of
society’s respect for scientific endeavour. ...
The trap was set in the late 1970s or thereabouts when the environmental
movement first realised that doing something about global warming would
play to quite a number of its social agendas. ...
The scientists in environmental research laboratories ... were forced to
seek funds from other government departments. In turn this forced them
to accept the need for advocacy and for the manipulation of public
opinion. ...
The trap was partially sprung in climate research when a number of the
relevant scientists began to enjoy the advocacy business. The enjoyment
was based on a considerable increase in funding and employment
opportunity. ...
The trap was fully sprung when many of the world’s major national
academies of science ... persuaded themselves to issue reports giving
support to the conclusions of the IPCC. The reports were touted as
national assessments that were supposedly independent of the IPCC and of
each other, but of necessity were compiled with the assistance of, and
in some cases at the behest of, many of the scientists involved in the
IPCC international machinations. ...
Since that time three or four years ago, there has been no comfortable
way for the scientific community to raise the spectre of serious
uncertainty about the forecasts of climatic disaster. It can no longer
use the environmental movement as a scapegoat if it should turn out that
the threat of global warming has no real substance. It can no longer
escape prime responsibility if it should turn out in the end that doing
something in the name of mitigation of global warming is the costliest
scientific mistake ever visited on humanity. ...
At the same time, the average man in the street, a sensible chap who by
now can smell the signs of an oversold environmental campaign from miles
away, is beginning to suspect that it is politics rather than science
which is driving the issue. ...
The chances of proving that climate change over the next century will be
large enough to be disastrous are virtually nil. For the same reason,
the chances of a climate sceptic, or anyone else for that matter,
proving the disaster theory to be oversold are also virtually nil. ...
In short, there is more than enough uncertainty about the forecasting of
climate to allow normal human beings to be at least reasonably hopeful
that global warming might not be nearly as bad as is currently touted.
Climate scientists, and indeed scientists in general, are not so lucky.
They have a lot to lose if time should prove them wrong.