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The 800,000-Year Old Horror Story

Posted on Sep 5, 2006

The latest study of ice drilled from Antarctica reveals that carbon dioxide levels are substantially higher now than at any time in the last 800,000 years.

BBC:

Carbon dioxide levels are substantially higher now than at any time in the last 800,000 years, the latest study of ice drilled out of Antarctica confirms.

The in-depth analysis of air bubbles trapped in a 3.2km-long core of frozen snow shows current greenhouse gas concentrations are unprecedented.

The East Antarctic core is the longest, deepest ice column yet extracted.

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By Scott, September 5, 2006 at 11:31 pm #
(Unregistered commenter)

In the core, the fastest increase seen was of the order of 30 parts per million (ppm) by volume over a period of roughly 1,000 years.

“The last 30 ppm of increase has occurred in just 17 years. We really are in the situation where we don’t have an analogue in our records,”

The word overdose comes to mind.

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By Jon Houston, September 5, 2006 at 11:22 pm #
(Unregistered commenter)

I guess it was all those Hummers that Homo Erectus were driving around 800,000 years ago that caused the CO2 levels to be high back then. Or, maybe, too many campfires? Damn Homo Erectus - ruined the environment 800,000 years ago!

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