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View Diary: White House Meeting on Arctic Media Blackout (143 comments)

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  •  that is also a false statement (0+ / 0-)

    the u.s. reductions are based on the economic advantage of fracking for natural gas.  Now that natural gas prices are back up we will see continued CO2 emission increases.

    Only a command economy approach will save us from our climate catastrophe.  And that is an iffy proposition, but the only one that I see.

    •  If anything, the uptick in NG prices will (0+ / 0-)

      spur on even more fracking.

      It was on the verge of not being economical in some places at the price trough of the last 2 or 3 years, but that "problem" is fading.

      So it is unlikely coal will rebound significantly.

      •  fracking doesn't drive down (0+ / 0-)

        CO2 emissions, natural gas prices do.

        utilities switched to natural gas from coal last year when natural gas was so far below parity price.  now the price has gone up a lot.

        •  Fracking has significantly driven (0+ / 0-)

          down US carbon dioxide emissions by making NG dirt cheap, causing a significant shift from coal to NG for electricity generation (per unit of electricity generated, NG only produces 1/2 as much emissions as coal).

          Unfortunately, the NG itself (well at least methane, usually it's major component) is a much more potent greenhouse gas than carbon dioxide, so if about 3 to 7% of the NG "leaks" during production the global climate change impact of the reduced coal use is totally offset.  There isn't any widely agreed upon data on leakage.

          That aside, how many coal plants have been re-commissioned/re-started now that NG has gone up a bit in price?  I personally have found no evidence of this, but you seem to know better.  (I'm talking about the USA, I realize that globally coal is in the midst of a huge boom).

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