How much non-CO2 greenhouse gases does the world emit?
The world emits about 35 Giga-tons (billion tons) of CO2 every year owing to human activities.
But CO2 is not the only greenhouse gas. There are half a dozen other greenhouse gases we should be worried about as well.
So, how much does the world emit of the other greenhouse gases?
Apart from CO2, the other prominent greenhouse gases and their annual emissions (in equivalents of CO2) are as follows ( in terms of Gtons of CO2 equivalent, 2015 data)
| Greenhouse Gase | Annual emissions (Billion Tons CO2 equivalent), 2015 |
| CH4 | 6.8 |
| N2O | 4.2 |
| F-GHGs | 1 |
| Total | 12 |
The world emits about 35 billion tons of CO2 (2015 data), and the others add to an equivalent of another 12 billion tons of CO2.
So, the total greenhouse emissions total about 47 billion tons of CO2 equivalent.
A lot, in my opinion.
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