I have a question about CO2

David Rodale said:
Did you ever find that black hole in the atmosphere storing the missing heat you say will unleash its fury at some unknown date?

BTW, what is earth's climate sensitivity?
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Ice that melts stores heat too.

Are there any large bodies of ice that are melting at the moment?

Back to the OP.

I have a question about CO2. Numbers in Global Warming are thrown about all over the place. P&T's show ******** says that humans contribute only 3% of CO2 of the total a year. I had heard another statement that it was around 14% (I can not cite this ... it is a number that stuck with me, I am sorry).

I know that it is difficult to say exactly what percent due to all the factors - do you count cows that humans are holding for food sources as human contribution or natural, etc - but what percent of the green house gasses do humans contribute and how was that number figured out?

Thank you.
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Do you disagree with my simple analysis that suggests human activity is likely to account for a significant proportion of *the rise* in CO2?

If so on what grounds?
 
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jimbob said:
Ice that melts stores heat too.

Are there any large bodies of ice that are melting at the moment?
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In fact, melting of ice is one of those "negative feedback" mechanisms that keeps the temperature from rising faster. The less remaining ice, the faster the air, land, and water temperatures will be expected to rise.
 
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