Earths magnetic field

[MarlboroMan]

I saw this TV show a couple nights ago and it was talking about earths magnetic fields and how it protects us from teh radiation the sun spews out at us. Anyways, they say the magnetism force is getting weaker every decade, and they dont know when its gonna eventually stop. Do you think this has to do with global warming in any way?

 

[repair]

Nothing to do with global warming, the Earth's magnetic field has reversed polarity many times accordng to fossil/geological records, and usually before it does the poles move and the field weakens, leading to a period with no magnetic north or south for periods of time...( I am also a TV natural history docu. junkie LOL)
The magnetic North has moved a few hundred miles in the last century

Can you explain how having more radiation wouldn't raise the temp since they say that the "hole" in the ozone lets in more radiation and raises the temp?

 

[guppy]

Television destroys the magnetic field.
Actually we are due for a field reversal, has nothing to due with us,

 

[MarlboroMan]

Weakening of the magnetic field is unknown to me, What im saying is because of the weaker magnetic fields, it lets more radiation into earths atmoshpere, which causes global warming.