Year 2012: End of the World

The following is a question being asked on Yahoo Answers. Both the questions and answers given do not reflect the view of our website.
Question:
I saw something about this on the history channel, but I want to make sure I heard it right. Some Scientists say that there could be a “Pole Shift” during that year. North America will trade places with South America and Europe will will trade places with Africa or something like that. Is this true? And could you imagine what that would be like? Chicago will probably become a tropical jungle. And Snow storms in Africa???
Well, from the way they where describing it on the History channel, North America would move to the Southern Hemisphere.

The following is a question being asked on Yahoo Answers. Both the questions and answers given do not reflect the view of our website.
Question:
with all the scaremongery going on at the moment about 2012 and the galactic alignment can anyone tell me exactly what to expect if anything and what happened the last time the alignment occured

2008 News by scientists about year 2012

The following is a question being asked on Yahoo Answers. Both the questions and answers given do not reflect the view of our website.
Question:
I am looking for scientific evidence to support this. The only thing I can find is by regular folks. Any scientific types have any information like NASA or something?

The following is a question being asked on Yahoo Answers. Both the questions and answers given do not reflect the view of our website.
Question:

http://uk.youtube.com/watch?v=z6ZShXTK1BA