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From: Cryptoengineer <petertrei@gmail.com>
Newsgroups: rec.arts.sf.written
Subject: Re: AGW. LNG Worse Than Coal.
Date: Mon, 4 Nov 2024 20:13:23 -0500
Organization: A noiseless patient Spider
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On 11/4/2024 4:34 PM, Robert Carnegie wrote:
> On 30/10/2024 01:37, Cryptoengineer wrote:
>> I'd like to see some numbers on this.
>>
>> Yes, burning methane generates less CO2 per BTU than
>> methane.
>>
>> But:
>>
>> A significant amount of methane escapes the system in leaks
>> and gets into the atmosphere without being burnt. In the US,
>> about 1.4%. Other countries do much worse, and a recent satellite
>> has started mapping the problem:
>>
>> https://www.msn.com/en-us/money/other/nasa-s-methane-satellite-just- 
>> mapped-its-first-plumes/ar-AA1spd3X?ocid=BingNewsSerp
>>
>> Coal that 'leaks' out of the system just sits on the ground.
>>
>> AND
>>
>> Methane, molecule for molecule, is a far more potent greenhouse
>> gas than CO2. 120x as potent, in fact.
>>
>> This is mitigated by the fact that methane only  lasts about 10
>> years in the atmosphere, while CO2 lasts far longer.
>>
>> https://www.epa.gov/ghgemissions/understanding-global-warming-potentials
>>
>> So, I'd like to see some actual numbers to support of debunk this
>> claim, not a simple declaration.
> 
> I understand that methane in the sky is slowly
> converted to CO2.

Yes, and far faster then CO2 gets recycled. But it's also a far
more portent as a greenhouse gas, pound for pound, as C02. Numbers
matter, and figuring out the relative contribution of each to
warming \caused is a non-trivial calculation.

pt