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Politics : The Trump Presidency -- Ignore unavailable to you. Want to Upgrade?

To: TimF who wrote (67439)	4/18/2018 2:55:32 PM
From: combjelly	Read Replies (1) \| Respond to of 364725

Sigh. In the immortal words of Pauli, "you are not even wrong!"... Um, so? As land plants evolved, they sequestered CO2 out of the atmosphere. So the CO2 level dropped until the levels dropped to somewhere around pre-industrial revolution levels. The levels then shot up and slowly dropped again until we started burning fossil fuels. Now they are climbing again. which to the extent it was about greenhouse gases was not mostly about CO2 anyway A difference without a distinction. The most likely greenhouse gas in question was almost certainly methane. Which oxidizes to, you guessed it, CO2. And relatively quickly, on the close order of centuries. A lot of methane is tied up in things like bogs and chlathrates. Whose stability is very dependent on temperature. We also have a lot of carbon in the form of biomass and methane in permafrost. Whose stability is, well... And the short term stability can be inferred by the farting out of plugs of tundra in Siberia that recently started to happen.