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From: Bobbie Sellers <bliss-sf4ever@dslextreme.com>
Newsgroups: rec.arts.sf.written
Subject: Re: AGW. LNG Worse Than Coal.
Date: Wed, 30 Oct 2024 17:48:49 -0700
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On 10/30/24 17:04, Scott Lurndal wrote:
> Lynn McGuire <lynnmcguire5@gmail.com> writes:
>> On 10/30/2024 5:50 PM, Bobbie Sellers wrote:
>>> On 10/30/24 13:55, Scott Dorsey wrote:
>>>> Bobbie Sellers  <blissInSanFrancisco@mouse-potato.com> wrote:
>>>>>
>>>>>      More Putin BS propaganda. LNG is about 50% better for the
>>>>> environment than coal or 100% better than the way Russian Troops
>>>>> have treated Nuclear Reactor power plants.
>>>>
>>>> Maybe.  The problem is that LNG if it escapes into the environment is a
>>>> worse greenhouse gas than CO2, although not as stable.  So if you take
>>>> into account the large amounts of gas lost to the atmosphere with
>>>> fracking,
>>>> I could see it looking pretty bad.
>>>>
>>>> Of course, the solution for this isn't to abandon natural gas but to
>>>> seal systems better and reduce waste.
>>>> --scott
>>>>
>>>       There are lots of Methane leaks from fields in Southern
>>> California and all over the world wherever oil was sought as well
>>> there are leaks from garbage dumps where decomposition is taking
>>> place. The evidence is riff that the clathrates undersea are
>>> melting and releasing methane while the Permafrost is collaping
>>> into large pits releasing more methane. Satellites are detecting
>>> plumes of this gas in the atmosphere.
>>>
>>>       All fossil fuels will be abandoned becuse the Climate Warming will
>>> make it impossible to handle. Think about the temperatures that
>>> gasoline ignites at and which promotes its vaporizastion.
>>>       When the Ports are flooded how will tankers get close enough
>>> to transfer petroleum?  And the last fossil fuels will be used
>>> to power miliary equipment.
>>>       If you want read about how we would cope with that read
>>> the Emberverse series by S. M. Stirling. It starts with the destruction
>>> of the usefulness of technology as presently deployed.  That would
>>> kill me but aside from that off-putting realization it is very powerful
>>> series. But his inventiveness seemed to have flagged at the 3rd
>>> generation post-Change..
>>>
>>>       bliss
>>
>> There are probably more methane leaks from natural seeps in the seabed
>> of the Gulf of Mexico than anywhere else in the planet.  At 2,000 feet
>> below the surface to 10,000 feet below the surface, there is six feet of
>> frozen methane covering the entire Gulf of Mexico seabed.  The frozen
>> methane is constantly sublimating and rising to bubble up into the
>> atmosphere.
> 
> There are methane leaks under all the oceans, but most of it
> never leaves the ocean and the carbon is precipitated out.
> 
>    "The total modern emission of seafloor methane is likely
>     underestimated10 and the volumes of methane released at
>     the seafloor are orders of magnitude higher than those
>     reaching the sea surface, owing to the short residence
>     time of methane in seawater11,12. The volume of methane
>     released from the seafloor is reduced also via microbial
>     Anaerobic Oxidation of Methane (AOM)13, which consumes an
>     estimated 45\u201361 Tg\u2219y\u22121 in the shallow sub-seafloor"
> 
>    "The AOM process is of primary importance since it provides
>     a significant mechanism to decrease the volume of escaping
>     methane10 and leads to the precipitation of methane-derived
>     carbonates (MDC) as a by-product15, thus representing a
>     carbon sink in the sedimentary record16,17"
> 
> https://www.nature.com/articles/s41598-020-59431-3
> 
> It may be that man-made leaks add to the volume that reaches
> the surface, which is bad, but the bulk of the carbon in
> naturally seeped CH4 returns to the sea floor and never
> reaches the atmosphere.
> 
>>
>> We humans did not cause this, it is nature.  And this phenomena happens
>> all over the planet.  I think that Gulf of Mexico is the worst since the
>> several reservoir pressures peak at 35,000 psia.
>>
>> Lynn
>>
	yes and it has a short half life in the atmosphere but we
humans tilted the balance with our COO emissions. All for the sake
of faster and easier.

	bliss