The Climate See-saw.
Cartoon: by Michael Ramirez
By Viv Forbes, Chairmam,
The Carbon Sense Coalition
By Viv Forbes, Chairmam,
The Carbon Sense Coalition
Anyone who looks carefully
at radiation science and the thermodynamics of carbon dioxide in the atmosphere
will come to the conclusion that carbon dioxide alone cannot cause a global
warming crisis. Even sensible warmists know this. There is a warming effect,
but it is tiny and getting smaller as carbon dioxide increases.
So warmists invoke
“positive feedbacks” or multipliers, which they say will tip earth into runaway
global warming.
Their theory is that an
initial small warming will increase evaporation of water from the oceans and
methane from the tundra. These two “greenhouse gases” will then cause more
atmospheric warming, progressively expelling more carbon dioxide from the
warming oceans. “Oceans will boil” claimed warmist leader James Hansen. They
also claim that after a postulated “tipping point”, Earth will never recover
its balmy equilibrium.
However, they ignore
substantial negative feedbacks that act to moderate any tendency to excessive
global warming. For example, evaporation cools water bodies and carries surface
heat into the upper atmosphere where it dissipates to space. Extra evaporation
also produces more clouds that reflect heat and cool the surface. Also methane
oxidises and extra plant growth absorbs more solar energy, water vapour and
carbon dioxide from the atmosphere.
Moreover, the long history
of the Earth reveals periods when temperatures and carbon dioxide levels were
far higher than today but life flourished and Earth always returned to cooler
times – sometimes an ice age. Earth’s climate oscillates like a see-saw, with
periodic changes in cycles in the sun and the solar system keeping the see-saw
slowly oscillating.
There is no evidence
supporting the theory of a global warming tipping point.
Today we live in a
comfortably warm climate cycle but in the grand climate cycles, the barren
hungry ice is always waiting its turn. Global cooling is a far greater danger to
life on Earth than global warming.
Every human alive today is
descended from a long line of smart and adaptable ancestors. Those who stay
smart and adaptable will survive future see-saws of the climate.
For those who would like to
read more:
James Hansen claims oceans will boil:
Here’s
some alarming forecasts, bravely also specifying dates
But a well-known Australian global warmist rejects the tipping point scares:
Climate
Forcings and Feedbacks. It is a well buffered and balanced system:
Quiet sun, and increasing ice:
Even the BBC feels the chill:
Finally, modern man (and
woman) practicing how to cope with the ice:
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