Trakar
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- Feb 28, 2011
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- #21
How much is a gigaton compared to the total weight of Earth's atmosphere?
1=1
1000 = thousand
1000000 = million
1000000000 = billion
1000000000000 = trillion
1000000000000000 = quadrillion
Earth's atmosphere is approximately 5 quadrillion tons of mass. A gigaton is 1billion tons, therefore 1gigaton/5 quadrillion tons = 0.0000002.
1ppm of our atmosphere of CO2 masses essentially 2.12 Gt of Carbon (note C not CO2). There are approximately 2960 Gton of CO2 in the atmosphere currently (396ppm) about 1/4 of this volume is due to the burning of fossil fuels over the last century or so and the rate of increase is accelerating.
By way of comparison. the average human weighs about 60,000g and the lethal dose of cyanide is about 0.09g. This indicates a 1.5E^-6 ratio, or about an order of magnitude greater than the 1Gt to 5Qt ratio. Humanity adds approximately 6Gt per year to the atmosphere. If instead of CO2, we were adding cyanide to the atmosphere at the same rate, and it persisted in the atmosphere, it would only take 2 years for us to make the atmosphere of our entire planet lethal to human life.
Luckily, cyanide isn't the primary byproduct of fossil fuel combustion.
Cynaide? Because CO2 a natural byproduct of breathing and photosynthesis is now some deadly poison?
Moron.
It's matters not if you measure in Gigatons or PPM, the additional CO2 is less than a rounding error and inert.
And if it's as powerful as you allege who don't you have one single lab experiment that shows a temperature increase from a 10PPM increase in CO2?
Hmm?
I apologize, I will not make the mistake of addressing your confused rhetorical rantings with observed and established facts and mainstream scientific understandings, you are of course welcome to your delusions.