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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: SilentZ who wrote (599973)	2/5/2011 11:21:07 AM
From: longnshort	Respond to of 1570344

" But normally, these shifts happen over thousands or tens of thousands of years." you need to read some more The last ice age happened in a year By Ben Tremblay I read an interesting article today from The Scotsman. The article basically outlines the fact that the last ice age, 13,000 years ago, happened way faster than previously thought: THE last ice age 13,000 years ago took hold in just one year, more than ten times quicker than previously believed, scientists have warned. Rather than a gradual cooling over a decade, the ice age plunged Europe into the deep freeze, German Research Centre for Geosciences at Potsdam said. Cold, stormy conditions caused by an abrupt shift in atmospheric circulation froze the continent almost instantly during the Younger Dryas less than 13,000 years ago – a very recent period on a geological scale. The new findings will add to fears of a serious risk of this happening again in the UK and western Europe – and soon. Dr Achim Brauer, of the GFZ (GeoForschungs Zentrum) German Research Centre for Geosciences at Potsdam, and colleagues analysed annual layers of sediments, called “varves”, from a German crater lake. Each varve records a single year, allowing annual climate records from the region to be reconstructed. I think it really is important to learn from that and realize how fast climate changes can happen. I’ve said it numerous times on this blog, climate change will be the biggest challenge in the comming years and changes are happening faster than what scientists predicted. That being said, it’s nothing to be scared of, but just a little something that makes you realize how fast these things can happen. dailycommonsense.com