John Bell, it is always with great interest that I …

Comment on Extreme variability: local climate change right now by Evelyne Roullet.

John Bell, it is always with great interest that I listen to the professionals; but I cannot see your name on the list of the great ones.
1824 – French physicist Joseph Fourier describes the Earth’s natural “greenhouse effect”. He writes: “The temperature [of the Earth] can be augmented by the interposition of the atmosphere, because heat in the state of light finds less resistance in penetrating the air, than in re-passing into the air when converted into non-luminous heat.”
1861 – Irish physicist John Tyndall shows that water vapour and certain other gases create the greenhouse effect.
1896 – Swedish chemist Svante Arrhenius concludes that industrial-age coal burning will enhance the natural greenhouse effect. He suggests this might be beneficial for future generations. His conclusions on the likely size of the “man-made greenhouse” are in the same ballpark – a few degrees Celsius for a doubling of CO2 – as modern-day climate models.

1927 – Carbon emissions from fossil fuel burning and industry reach one billion tonnes per year.
1930 – Human population reaches two billion.
1938 – Using records from 147 weather stations around the world, British engineer Guy Callendar shows that temperatures had risen over the previous century. He also shows that CO2 concentrations had increased over the same period, and suggests this caused the warming. The “Callendar effect” is widely dismissed by meteorologists.
1955 – Using a new generation of equipment including early computers, US researcher Gilbert Plass analyses in detail the infrared absorption of various gases. He concludes that doubling CO2 concentrations would increase temperatures by 3-4C.
1957 – US oceanographer Roger Revelle and chemist Hans Suess show that seawater will not absorb all the additional CO2 entering the atmosphere, as many had assumed. Revelle writes: “Human beings are now carrying out a large scale geophysical experiment…”
1975 – US scientist Wallace Broecker puts the term “global warming” into the public domain in the title of a scientific paper.

1930 – Human population reaches two billion.
1960 – Human population reaches three billion.
1975 – Human population reaches four billion.
1987 – Human population reaches five billion
1999 – Human population reaches six billion.
2011 – Human population reaches seven billion.

1989 – Carbon emissions from fossil fuel burning and industry reach six billion tonnes per year.
2006 – Carbon emissions from fossil fuel burning and industry reach eight billion tonnes per year.
2011 – Data shows concentrations of greenhouse gases are rising faster than in previous years.

My source is the BBC’s brief history of climate change, here.

Yes John STOP THE WORLD – I WANT TO GET OFF is a thought-provoking tale about the fleeting nature of worldly success. This tale tell us to stop our need for luxury and non necessary goods or, the planet will get read of “our world” and will continue to turn without fleas on her back

Evelyne Roullet Also Commented

Extreme variability: local climate change right now
@ John Bell: The following is out of context, but after re-reading some of the comments I realised that one of mine could easily be misinterpreted.
You told me you were on the same list that Denis Waterman. I reacted too fast.
But I had written I hope not because I enjoyed our discussion. So accept my apology.


Extreme variability: local climate change right now
Dear John, (nothing to do with leaving you for somebody else).
Are you on the list of men like Dennis Waterman having “problem with strong, intelligent women”? I sincerely hope not.
Yes, I have a master in the philosophy of laughter following in the foot steps of Democritus, known in antiquity as the “laughing philosopher”.
Hence I have stop taking myself seriously. I am, now, amused by the illusory nature of the self, and can regard myself as a big joke and human existence as absurd.


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