-Caveat Lector- <A HREF="http://www.ctrl.org/">
</A> -Cui Bono?-
Saul Pressman wrote:
>Dear Bill,
>Ed McCabe said in Vancouver in May 1993, when we brought him in
>to speak, that the earth's atmosphere had fairly recently been
>at 35% oxygen. He also said that tests had been done in Gary,
>Indiana near the freeway at rush hour and the oxygen level had
>been found to be 9%.
Yes, but where is there evidence to substantiate what Ed McCabe
asserted ? Why has no scientist or university or government
agency announced or published anything similar -- or have they ?
If so, where are these other accounts recorded, and why is the
sensationalist media ignoring such a sensational story ?
And what does "fairly recently" actually mean ? (re: 35% oxygen)
Also, how did they (who ever they were) measure the oxygen near
a freeway ? Did exhaust hydrocarbons contaminate their measuring
device, rendering their "results" (9% oxygen) totally invalid ?
>Amber that is believed to be 80,000,000 years old, was lab tested
>a number of years back. It was carefully opened under controlled
>conditions and the air that was trapped in bubbles inside was
>analyzed. The report was that the air had higher oxygen (35%) and
>higher pressure (1.5 atmospheres).
I've read an account similar to this, and it all sounds plausible.
But conditions existing 80 million years ago are hardly relevant
to today's atmospheric conditions.
When I was in high school in 1964, the textbooks (published
about 1955) said that the air was 21% oxygen. Now, 36 years
later, new textbooks say the air is 21% oxygen. There's been
no change at all -- or only a very small change -- unless you
give credence to various (apparently) unsubstantiated rumors.
I'd sure like to find some verifiable indication that the
Earth is running out of oxygen -- IF it is true.
Until then, I can only presume that this is environmentalist
doomsday theology, or intentional propaganda, or urban rumor,
or perhaps all of the above.
>I think Ed also said that scientists experimenting on growing
>things in Martian (low pressure) and Venerian (high pressure)
>conditions found that at 1.5 atmospheres no anerobic bacteria
>could exist in the soil within 2' of the surface.
>
>The 'missing' oxygen, if it is in fact missing, is bound up in
>compounds with other elements. In a similar fashion, most carbon
>is bound up in limestone, hydrocarbons, trees, etc.
This could happen over millions of years, but I doubt oxygen
has been rapidly "bound up" over the past two centuries by
industrial-age technologies.
Look at it this way: Combustion of fossil fuels, etc.,
produces carbon dioxide (CO2) by oxidizing carbon in a ratio
of one carbon atom per two oxygen atoms.
The atmosphere's CO2 level has grown by 28% in the last 150 years,
according to one source quoted in the media. However, 150 years
ago CO2 was only 0.028% of the atmosphere, and today it has grown
to 0.036% (given 28% growth), which is a difference of .008%.
[If someone has more accurate figures, please let me know.]
Now, with oxygen at 21%, look at the difference in magnitude.
CO2 grew 0.008%. With two oxygen atoms in each CO2 molecule,
perhaps the free oxygen level fell by 0.016%. That's hardly
enough to measure, and cannot justify rumors claiming
drastically reduced atmospheric oxygen levels.
Of course, we could ask, is oxygen "disappearing" by another
route -- hundreds or thousands of times faster than it is
being bound up in CO2 ?
Hmm... any ideas about that ?
Bill
>Best of Health!
>Saul Pressman
>
>URL: http://www.plasmafire.com
>email: [EMAIL PROTECTED]
>
>----- Original Message -----
>From: Bill Kingsbury <[EMAIL PROTECTED]>
>To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>;
><[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
>Sent: Saturday, March 04, 2000 1:16 AM
>Subject: [oxyplus] OT: Atmospheric oxygen concentration dropping ?
>
>
>> From: Bill Kingsbury <[EMAIL PROTECTED]>
>>
>> Hi,
>>
>> Maybe I've missed it, but I've seen no discussion, and
>> lots of allegations, regarding a basic scientific issue:
>>
>> There is a rumor (or urban legend) to the effect that in
>> recent centuries and decades, the Earth's atmospheric oxygen
>> concentration has rapidly dropped from the 32-40% range, down
>> to around 19-21% -- and then more recently (especially in big
>> cities, it is alleged) to only 16-17%, or to even as low as
>> 11-12% (depending upon who is retelling this slippery story).
>>
>> Now, is this entirely a matter of environmentalist doomsday
>> "theology" -- perhaps driven by commercially or politically
>> motivated propaganda ? Did someone "channel" this information,
>> or is there scientific evidence to support some part of this ?
>>
>> (And if there is some amount of truth to this, where did the
>> "missing" oxygen disappear to -- and what is taking its place,
>> in the 100% of "something" making up what we're breathing ?)
>>
>> No, I'm not worried -- just a little concerned that no one
>> (apparently) has seen fit to educate the media-led masses of
>> people who are left to possibly believe (based on these rumors)
>> that they and their kids can't be "really healthy, anymore,"
>> simply because "the oxygen is rapidly disappearing."
>>
>> Someone recently told me -- in dead earnest -- that "Ed McCabe
>> told me" (when, I didn't ask) that these stories were factual.
>>
>> I did a search on "urban legend" and "oxygen" -- using
>> www.alltheweb.com -- and was startled to find that (apparently)
>> no one has written about this seeming life-or-death issue.
>>
>> Has anyone seen any logical, science-based discussions
>> specifically confirming or disproving these persistent rumors ?
>>
>> How long have these stories been circulating ?
>>
>>
>> Bill
>>
>>
>>
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