On Feb 3, 6:37*pm, John Hall wrote:
In article
,

*Alastair writes:
The only thing that is political about the rising level of CO2 in the
atmosphere was George W. Bush's attempt to end the measurements of
atmospheric CO2, begun by Charles Keeling in 1958 on Mauna Loa
http://www.esrl.noaa.gov/gmd/ccgg/trends/
They now show that the level is nearly 390 ppm, rather than the 360
ppm quoted by John Hall (IanH)

I certainly didn't quote 360ppm, if only because I couldn't remember the
exact figure and was too lazy to look it up. I think I played safe and
said something like "well under a tenth of one per cent". Someone else
gave the 360 ppm figure.
--
John Hall
* * * * * *"Acting is merely the art of keeping a large group of people
* * * * * * from coughing."
* * * * * * * * * * * * * * * Sir Ralph Richardson (1902-83)

Sorry John,

I got you confused with IanH, who you were replying to. I was a bit
puzzled how Ian H(all) and John Hall were the same ;-(.

Cheers, Alastair.

In case anyone is interested I thought I might point out that Ralph
Keeling will be one of the speakers at the Royal Society during their
discussion meeting on "Greenhouse gases in the Earth system: Setting
the agenda to 2030". His talk is at 11:10 on Monday 22nd Feb and
entitled "What Have We Learned from Carbon Isotopes and O2/N2?

Details of the full two day meeting are here.
http://royalsociety.org/Event.aspx?id=1958
Anyone can attend.

Cheers, Alastair.

On 2 Feb, 21:10, Neo wrote:
If the CO2 in the atmosphere is building (for what ever reason, don't
want to get all political here), therefore Carbon is bonding to Oxygen
at a ratio 1:2. so surely the O2 levels of the atmosphere will be
falling at the same rate? Should we not be overly worried about
reducing O2 rather than increasing CO2?
Does anyone here know of any research and/or results for this
happenning?

Most of the world's oxygen is in the ground as oxides and suphates
etc. This can be released by microbes and plants