So many people have been duped by climate dogma which
insists on catastrophic effects from rising CO2 that signs of it appear in all
sorts of places. It can of course be
found in geography and popular science books for children, and in many websites, but it can also be found in language
lessons. I myself came across it while
studying French. Here is
an example from a textbook used for teaching English in high schools in Germany ,
well-annotated by critical observers from the policy think-tank KE Research:
Their conclusions are:
# “Greenhouse gases” and clouds continuously radiate energy into
outer space. Thereby they cool the atmosphere. This enables the atmosphere to
cool the ground. This has been going on over billions of years.
# Since IR active
gases cool the Earth (at least indirectly), an increase in their concentration
cannot cause a raise of temperatures. This constitutes a disproof of the CO2
warming hypothesis (yellow block in the “Green Tower ”
in fig. 1).
# All further claims of the climate dogma (computerized
climate prophecy, apocalyptic consequences, need of political action and
“climate protection”) would only make sense if the CO2 warming hypothesis is
proven. But as the hypothesis is demonstrated invalid by our comparison with
the Moon, the claims derived from it as well as the actions suggested make no
sense. The entire CO2-based “climate research” proves to be pseudo science – or charlatanism.
# In certain countries, public education is misused by
governments to implant fears in the brains of students – being the result of a
wrongly built understanding of nature.
This is right at the heart of the debate, or rather it ought
to be. Instead these are amongst the
so-called ‘sceptical’ views that are often ridiculed or ignored. But the basic assertion that radiation in
infra-red from the atmosphere to space is an important component of Earth’s
cooling mechanism is correct. Their second point is far more contentious. It is not clear to me what the overall, or net effect of CO2 in the climate system is. I can also go along with a modest warming contribution of CO2 thanks
to it delaying heat loss from the surface to space by absorbing Earth radiation (in the relevant narrow bands for CO2) before re-emitting it in all directions.
Simple calculations suggest a value of the order of 1C for this warming
for every doubling of ambient CO2 levels. One day, perhaps we shall see computer modelling of CO2 in the climate
system. We do not have that at present. Instead the GCMs have proven to be a rather
expensive way of confirming that when you suppress heat loss from an exernally
heated object, that object’s temperature will, all else being equal, rise. This is done in the models by imposing an
instantaneous drop in radiative heat loss at the outer edge of the atmosphere for a given
increase in ambient CO2. This paper by
KE Research is one which suggests that the role of CO2 is more complicated than
that. The current GCMs cannot help
resolve this since they work from a presumed net effect of CO2, i.e. they
incorporate a conclusion rather than discover it from the model runs.
Hat-tip: http://hockeyschtick.blogspot.co.uk/2013/08/why-atmosphere-is-not-greenhouse.html
(which also provides an extract from a new essay by Tim Ball on the greenhouse
effect: http://drtimball.com/2013/a-greenhouse-as-analogy-for-the-atmosphere-is-completely-wrong/
)
There is also a recent post by Roy Spencer, with discussion in the comments on the same topic: http://www.drroyspencer.com/2013/08/does-a-greenhouse-operate-through-the-greenhouse-effect/