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In which I share my journey toward emergency & disaster preparedness, desire for relocalized community, sustainable survival, and more than a little basic paranoia.




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Positive Feedback

May 28th, 2007 by prep

There are times when “positive feedback” is a bad thing. This is one of them. The is the scariest freaking headline I’ve read in a long time:

Earth’s Natural Defenses Against Climate Change “Beginning to Fail”

An article published recently in Science finds that the Earth’s natural carbon sinks, the southern Ocean around Antarctica, are saturated. The level had been steady for the past 25 years, but the increase of carbon emissions has meant less carbon absorbed and more carbon trapping the sun’s heat. Heat is increasing wind speeds on the oceans, producing bigger storms, stirring up more carbon from the depths to the surface of the ocean. This leaves the surface of the ocean saturated.

emissions > left over carbon > trapped heat > bigger storms >
churning oceans > surfacing carbon > saturation at the surface

Result? Feedback that speeds up the warming that all of us experience.

One question not yet settled: does this affect the whole ocean system or just the southern ocean? I’m sure we’ll being hearing about the answer soon

Posted in Apocalypse, Global Warming, News, You're Kidding | No Comments »

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