Quote:
Originally Posted by photon
Global ocean currents have a huge impact on local weather, if those change then the total energy gets shifted around, resulting in different local conditions, but the energy doesn't just disappear or get created from nothing, so in general things have to balance.
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If much of N.America and Europe and well much more of the world is covered in ice/snow, a lot more of that energy will be reflected back into space rather than be absorbed as it is now. That's what my simple minds thinks.