It’s the feedbacks, stupid

There are three main natural sources of warming that we activate by raising the average global temperature just a modest amount with our own greenhouse gas emissions. These are the killer feedbacks.

NOAA Photo: Pablo Clemente-Colon
The protective covering of floating ice that has shielded the Arctic Ocean from solar heating for so long is now going fast, says columnist Gwynne Dyer.
Gwynne Dyer
Published: Thursday, 10/03/2013 8:34 pm EDT
Last Updated: Monday, 10/07/2013 9:22 pm EDT

Campaign strategist James Carville coined the phrase “It’s the economy, stupid” to focus the attention of campaign workers on the one key issue that would get Bill Clinton elected president in the 1992 US election. Alas, the authors of the Fifth Assessment of the Intergovernmental Panel on Climate Change, published last month, have no such sage to guide them. They’ll have to make do with me.

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