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4. That's fine but it pales with natural sources of carbon dioxide.

Tue Sep 12, 2017, 06:42 PM

Sep 2017

Natural sources give off about 800 billion tons of carbon dioxide each year. Human sources give off about 40 billion tons each year.

https://whatsyourimpact.org/greenhouse-gases/carbon-dioxide-emissions

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1912 article about coal and climate [View all] underpants Sep 2017 OP

Science and math. PdxSean Sep 2017 #1

Oxygen combines with carbon to make carbon dioxide marylandblue Sep 2017 #2

Danke'! PdxSean Sep 2017 #3

That's fine but it pales with natural sources of carbon dioxide. former9thward Sep 2017 #4

Natural sources were in equilibrium with natural sinks marylandblue Sep 2017 #5

So the 800 billion tons was perfect. former9thward Sep 2017 #9

Yes the 800 billion tons was perfect marylandblue Sep 2017 #12

..and we've destroyed many of the sinks. roamer65 Sep 2017 #13

marylandblue has the right of it. TexasProgresive Sep 2017 #6

Fake News Takket Sep 2017 #7

Thanks ! nt eppur_se_muova Sep 2017 #11