From: "Rich Gauszka" 

I agree that the sulfur would lower the temperature. It's just that the
proposed cure will present another problem - possible major - acid rain.
That's one of the reasons for fuel standards that limit it.


"Mark"  wrote in message
news:44c91aa3$1{at}w3.nls.net...
> Makes sense to me. When Krakatoa erupted in 1883 it dropped the world
> temperature by 1 degree (C) and the same thing happened back in 1815 when
> Tambora erupted. Indeed in 1816 New England farmers claimed it was the
> year without summer as the growing season was cut from the typical 160
> days down to 70 and a whole lotta people ate a whole lotta mackerel to
> make it through that winter.
>
> Uh, no I don't happen to know this off the top of my head, the above facts
> and many, many more interesting tidbits are in Simon Winchester's Krakatoa
> that I happen to be reading this summer 
>
> "Rich Gauszka"  wrote in message
> news:44c90e33{at}w3.nls.net...
>> cooler earth with an acid rain problem?
>>
>> http://www.livescience.com/environment/060727_inject_sulfur.html
>>
>>
>> One way to curb global warming is to purposely shoot sulfur into the
>> atmosphere, a scientists suggested today.
>>
>> The burning of fossil fuels releases carbon dioxide, a greenhouse gas,
>> into the atmosphere. It also releases sulfur that cools the planet by
>> reflecting solar radiation away from Earth.
>>
>> Injecting sulfur into the second atmospheric layer closest to Earth would
>> reflect more sunlight back to space and offset greenhouse gas warming,
>> according to Nobel laureate Paul Crutzen from the Max Planck Institute
>> for Chemistry in Germany and the Scripps Institution of Oceanography,
>> University of California at San Diego.
>>
>> Crutzen suggests carrying sulfur into the atmosphere via balloons and
>> using artillery guns to release it, where the particles would stay for up
>> to two years. The results could be seen in six months.
>>
>> Nature does something like this naturally.
>>
>> When Mount Pinatubo erupted in the Philippines in1991, millions of tons
>> of sulfur was injected into the atmosphere, enhancing reflectivity and
>> cooling the Earth's surface by an average of 0.9 degrees Fahrenheit in
>> the year following the eruption.
>>
>> "Given the grossly disappointing international political
response to the
>> required greenhouse gas emissions, ... research on the feasibility and
>> environmental consequences of climate engineering of the kind presented
>> in this paper, which might need to be deployed in future, should not be
>> tabooed," Crutzen said.
>>
>> This proposal is detailed in the August issue of the journal Climatic
>> Change.
>>
>
>

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