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Re: E-M:/ Power from Not-So-Hot Geothermal



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Enviro-Mich message from "Alexander J. Sagady" <ajs@sagady.com>
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Lowell Prag bravely upbrades Brad van Guilder for 
saying the Hydrogenated ChloroFlouroCarbons (HCFCs) are 
greenhouse gases....

Sagady has the final word on this.....

HCFCs are....

.....greenhouse gases as Brad claims.

....and are also ozone depleters, although 
HCFCs do not have nearly as long of an 
atmospheric residence time as ordinary CFCs

Methane is also a greenhouse gas.

See:
http://yosemite.epa.gov/oar/globalwarming.nsf/content/emissions.html

and

http://yosemite.epa.gov/oar/globalwarming.nsf/UniqueKeyLookup/RAMR6P5M5M/$File/06FastFacts.pdf




At 11:26 AM 09/25/2006, Lowell Prag wrote:
>-------------------------------------------------------------------------
>Enviro-Mich message from "Lowell Prag" <lprag@mail.msen.com>
>-------------------------------------------------------------------------
>
>Brad van Guilder wrote:
>
>"...
>HFCs are extremely potent greenhouse gases - 1,000 to 10,000 times worse
>that Carbon Dioxide and their use should not be encouraged.  Energy
>conservation and discouraging increases in demand for energy should be our
>first task.
>..."
>
>Hello Brad,
>
>You are confusing ozone depleting gases with greenhouse gases.
>
>Carbon dioxide, methane, etc. are greenhouse gases
>which trap the Earth's reflected heat from the Sun.
>
>Refrigerants like hydrofluorocarbons (HFCs) are ozone depleting gases
>which destroy the ozone layer protecting us from the Sun's radiation.
>
>Regards,
>
>Lowell Prag
>
>
>> On Sep 25, 2006, at 1:36 AM, Lowell Prag wrote:
>>
>>> -----------------------------------------------------------------------
>>> --
>>> Enviro-Mich message from "Lowell Prag" <lprag@mail.msen.com>
>>> -----------------------------------------------------------------------
>>> --
>>>
>>> Power from Not-So-Hot Geothermal
>>>
>>> This power system could make it feasible to generate
>>> cheap electricity from lukewarm geothermal sources.
>>>
>>> http://www.technologyreview.com/read_article.aspx?
>>> id=17524&ch=energy&sc=&pg=1
>>>
>>> Regards,
>>>
>>> Lowell Prag
>>>
>>>
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>>>
>> ---------------------------------
>> Brad van Guilder, Ph. D.
>> Community Organizer
>>
>> Ecology Center
>> 117 North Division Street
>> Ann Arbor, MI 48104-1580
>>
>> (734) 663-2400 ext 114
>> (734) 663-2414 FAX
>> (313) 205-6386 CELL Not available while driving!
>>
>> http://www.ecocenter.org
>> http://www.stoptrash.org
>>
>> UAW Region 1A Toxic Waste Squad
>
>
>
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==========================================
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