From: "Mark" 

And with a 10,000:1 ratio against the most powerful things humans have been
able to devise in their entire history, you still propose that we have rats
chance in hell of modifying what the Earth feels like delivering upon us?


"Rich Gauszka"  wrote in message
news:4460062a{at}w3.nls.net...
>
> "Geo"  wrote in message
news:445ffe8b$1{at}w3.nls.net...
>> "Robert Comer"  wrote in message
>> news:445fde98$1{at}w3.nls.net...
>>
>>
>>> possibility.  We've had 95% mass extinctions just because the
>>> temperature
>>> went up 10F.
>>
>> It seems to me we've had mass extinctions because of abrupt change due to
>> meteor strikes or because if ice ages but not because the temperature
>> went
>> up. When the temperature goes up, life flourishes.
>>
>> Geo.
>>
>>
>
> The raising of temperature and the release of  frozen methane hydrates
> from the ocean  may have caused the worst mass extinction in history. It's
> still subject to debate whether the release was due to global warming,
> meteor strike or volcanic activity or a combination
>
> http://www.abc.net.au/science/news/stories/s938770.htm
>
> The situation would have been much worse in the Permian era, he said.
> Ryskin calculated that prehistoric oceans could easily have contained
> enough methane to liberate an energy about 10,000 times greater than the
> world's entire nuclear weapons stockpile going off at once.
>

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